:root {
  --ink: #06113f;
  --ink-deep: #030728;
  --ink-soft: #111a56;
  --paper: #f7f9ff;
  --muted: #c7d2f2;
  --line: rgba(124, 177, 255, 0.32);
  --cyan: #19ddff;
  --blue: #2461ff;
  --violet: #8955ff;
  --orange: #ff713c;
  --yellow: #ffd34f;
  --panel: rgba(9, 20, 76, 0.7);
  --display: "Microsoft YaHei UI", "Noto Sans SC", sans-serif;
  --body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--paper);
  background:
    radial-gradient(circle at 75% 5%, rgba(29, 88, 255, 0.22), transparent 28rem),
    linear-gradient(180deg, #071448 0%, #050a31 48%, #020520 100%);
  font-family: var(--body);
  font-size: 16px;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
button, a { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
::selection { color: #07113f; background: var(--cyan); }

#fluid-canvas {
  position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%;
  pointer-events: none; opacity: .72; mix-blend-mode: screen;
}
main, .site-footer { position: relative; z-index: 1; }
.scroll-progress { position: fixed; z-index: 50; top: 0; left: 0; right: 0; height: 2px; pointer-events: none; background: rgba(100,150,255,.08); }
.scroll-progress i { display: block; width: 100%; height: 100%; transform: scaleX(0); transform-origin: left; background: linear-gradient(90deg, var(--cyan), #6f74ff 58%, var(--orange)); box-shadow: 0 0 16px var(--cyan); will-change: transform; }
.system-rail { position: fixed; z-index: 3; right: 1.1rem; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; align-items: center; gap: .9rem; color: rgba(193,212,255,.58); font: 800 .52rem/1 var(--display); letter-spacing: .2em; pointer-events: none; }
.system-rail span { writing-mode: vertical-rl; }
.system-rail i { width: 1px; height: 5rem; background: linear-gradient(var(--cyan), rgba(25,221,255,.04)); position: relative; }
.system-rail i::before { content: ""; position: absolute; top: 0; left: -2px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 13px var(--cyan); animation: railPulse 2s ease-in-out infinite; }
.system-rail b { color: var(--orange); font-size: .48rem; writing-mode: vertical-rl; }
@keyframes railPulse { 0%,100% { opacity: .35; transform: translateY(0); } 50% { opacity: 1; transform: translateY(4.5rem); } }

.page-noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 20; opacity: .17;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.25'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}
.cursor-glow {
  position: fixed; width: 28rem; height: 28rem; border-radius: 50%; pointer-events: none; z-index: 2;
  background: radial-gradient(circle, rgba(26, 168, 255, .13), rgba(73,74,255,.05) 35%, transparent 68%);
  transform: translate(-50%, -50%); transition: opacity .2s; opacity: 0;
}

.light-reactive { --spot-x: 50%; --spot-y: 50%; }
.light-reactive::before { content: ""; position: absolute; z-index: 8; inset: 0; pointer-events: none; opacity: 0; background: radial-gradient(circle 14rem at var(--spot-x) var(--spot-y), rgba(79,220,255,.18), rgba(89,73,255,.07) 35%, transparent 72%); mix-blend-mode: screen; transition: opacity .25s ease; }
.light-reactive.is-lit::before { opacity: 1; }

.site-header {
  position: fixed; z-index: 30; top: 0; left: 0; right: 0; height: 5.3rem;
  display: flex; align-items: center; justify-content: space-between; padding: 0 max(4vw, 1.25rem);
  border-bottom: 1px solid transparent; transition: background .3s, border-color .3s, height .3s;
}
.site-header.is-scrolled { height: 4.45rem; background: rgba(3, 8, 39, .82); border-color: var(--line); backdrop-filter: blur(18px); }
.brand { display: flex; align-items: center; gap: .75rem; font-weight: 800; letter-spacing: .08em; position: relative; z-index: 2; }
.brand-copy { display: flex; flex-direction: column; gap: .2rem; }
.brand-copy b { font-size: .84rem; line-height: 1; }
.brand-copy small { color: #92a9d8; font-size: .5rem; font-weight: 800; letter-spacing: .08em; }
.official-logo-frame { display: flex; align-items: center; flex: 0 0 auto; padding: .28rem .48rem; border: 1px solid rgba(255,255,255,.65); border-radius: .45rem; background: linear-gradient(135deg, rgba(255,255,255,.98), rgba(229,241,255,.94)); box-shadow: 0 0 22px rgba(42,125,255,.18); }
.official-region-logo { display: block; width: clamp(8.5rem, 11vw, 11.5rem); height: auto; object-fit: contain; }
.brand-mark { position: relative; width: 1.65rem; height: 1.65rem; display: inline-block; transform: rotate(45deg); }
.brand-mark i { position: absolute; width: .65rem; height: .65rem; background: var(--cyan); box-shadow: 0 0 14px rgba(25, 221, 255, .8); }
.brand-mark i:nth-child(1) { left: 0; top: 0; }
.brand-mark i:nth-child(2) { right: 0; top: 0; background: var(--yellow); }
.brand-mark i:nth-child(3) { right: 0; bottom: 0; background: var(--orange); }
.site-nav { display: flex; align-items: center; gap: clamp(1rem, 2.2vw, 2.5rem); font-size: .88rem; color: #d2dcfa; }
.site-nav a { position: relative; transition: color .2s; }
.site-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -.4rem; height: 1px; background: var(--cyan); transition: right .25s; }
.site-nav a:hover { color: white; }
.site-nav a:hover::after { right: 0; }
.nav-cta { padding: .7rem 1.25rem; color: white; border: 1px solid rgba(25, 221, 255, .55); background: rgba(25, 221, 255, .08); }
.menu-toggle { display: none; border: 0; background: transparent; width: 2.75rem; height: 2.75rem; padding: .8rem; position: relative; z-index: 2; }
.menu-toggle span { display: block; height: 1px; background: white; margin: .35rem 0; transition: transform .25s; }

.section-shell { position: relative; width: min(100%, 94rem); margin: 0 auto; padding-left: clamp(1.25rem, 5vw, 5.5rem); padding-right: clamp(1.25rem, 5vw, 5.5rem); }
.section-index { color: #b2c0e8; font: 800 .76rem/1 var(--display); letter-spacing: .2em; margin-bottom: 3rem; text-shadow: 0 0 16px rgba(25,221,255,.3); }
.section-index::before { content: ""; display: inline-block; width: 2rem; height: 1px; background: var(--cyan); vertical-align: middle; margin-right: .75rem; }
.section-heading p { margin: 0 0 .7rem; color: var(--cyan); font-size: .78rem; font-weight: 900; letter-spacing: .22em; text-shadow: 0 0 18px rgba(25,221,255,.45); }
.section-heading h2 { margin: 0; font: 900 clamp(2.5rem, 5.3vw, 5.4rem)/1.04 var(--display); letter-spacing: -.055em; }
.section-heading h2 span { color: var(--orange); background: linear-gradient(180deg, #ffb14a 0%, #ff6238 76%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; filter: drop-shadow(0 0 16px rgba(255,113,60,.42)); }
.section-heading.centered { text-align: center; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 2rem; min-height: 3.65rem; padding: 0 1.7rem; border: 1px solid transparent; font-weight: 800; transition: transform .2s, box-shadow .2s, background .2s; }
.button:hover { transform: translateY(-3px); }
.button-primary { color: #09123d; background: linear-gradient(115deg, var(--orange), var(--yellow)); box-shadow: 0 14px 34px rgba(255, 113, 60, .2); }
.button-primary:hover { box-shadow: 0 18px 40px rgba(255, 113, 60, .33); }
.button-ghost { border-color: rgba(121, 170, 255, .32); background: rgba(9, 20, 77, .45); }

.hero { min-height: 100vh; width: 100%; max-width: none; padding-top: 8rem; padding-bottom: 4.5rem; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(24rem, .95fr); align-items: center; overflow: hidden; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -2; background: radial-gradient(circle at 72% 44%, rgba(36, 97, 255, .48), transparent 26%), radial-gradient(circle at 20% 82%, rgba(104, 36, 255, .16), transparent 32%); }
.hero::after { content: ""; position: absolute; z-index: -1; top: -35%; bottom: -35%; left: -42%; width: 22%; background: linear-gradient(90deg, transparent, rgba(116,224,255,.12), rgba(255,255,255,.22), transparent); filter: blur(12px); transform: rotate(18deg); animation: heroSweep 7.5s cubic-bezier(.5,0,.2,1) infinite; pointer-events: none; }
.hero-grid { position: absolute; z-index: -2; inset: 52% -10% -28%; transform: perspective(650px) rotateX(63deg); transform-origin: center top; background-image: linear-gradient(rgba(39, 141, 255, .24) 1px, transparent 1px), linear-gradient(90deg, rgba(39, 141, 255, .24) 1px, transparent 1px); background-size: 4rem 4rem; mask-image: linear-gradient(to bottom, black, transparent 80%); }
.hero-beam { position: absolute; z-index: -1; height: 1px; width: 80%; background: linear-gradient(90deg, transparent, var(--cyan), transparent); filter: drop-shadow(0 0 12px var(--blue)); transform: rotate(-12deg); }
.beam-one { right: -10%; top: 25%; }.beam-two { left: -20%; bottom: 17%; transform: rotate(7deg); }
.hero-copy { position: relative; z-index: 2; padding-left: clamp(1.25rem, 7vw, 8rem); }
.eyebrow { display: flex; align-items: center; gap: 1rem; margin-bottom: 2.8rem; color: #cbd9ff; font: 700 .7rem/1 var(--display); letter-spacing: .13em; }
.eyebrow::before { content: ""; width: 2.5rem; height: 2px; background: var(--orange); }
.eyebrow em { color: var(--cyan); font-style: normal; }
.title-lockup { display: flex; align-items: flex-start; gap: clamp(.65rem, 1.5vw, 1.4rem); }
.year { display: flex; flex-direction: column; color: var(--orange); font: 900 clamp(2.2rem, 4.1vw, 4.3rem)/.74 var(--display); letter-spacing: -.08em; padding-top: .75rem; text-shadow: 0 0 22px rgba(255, 113, 60, .35); }
.title-kicker { margin: 0 0 .2rem; color: var(--cyan); font: 800 clamp(.62rem, 1vw, .78rem)/1 var(--display); letter-spacing: .32em; }
.hero h1 { margin: 0; font: 950 clamp(4rem, 8.1vw, 8.4rem)/.86 var(--display); letter-spacing: -.085em; text-shadow: 0 4px 0 #172e82, 0 15px 42px rgba(25, 78, 255, .4); }
.hero h1 strong { font-weight: 950; color: transparent; background: linear-gradient(180deg, white 15%, #a5caff 86%); -webkit-background-clip: text; background-clip: text; }
.hero-subbrand { position: relative; isolation: isolate; width: fit-content; max-width: 100%; display: flex; align-items: center; gap: .48rem; margin-top: 1.55rem; padding: .62rem 1.15rem .66rem; border: 1px solid rgba(255,210,113,.78); border-radius: 999px; color: #fff; background: linear-gradient(90deg, rgba(23,201,255,.96), rgba(87,95,255,.95) 42%, rgba(255,104,79,.96) 82%, rgba(255,177,55,.98)); box-shadow: 0 0 0 4px rgba(36,97,255,.12), 0 12px 34px rgba(29,93,255,.3), inset 0 1px 0 rgba(255,255,255,.55); font: 900 clamp(.74rem, 1.1vw, .95rem)/1.2 var(--display); letter-spacing: .04em; text-shadow: 0 1px 8px rgba(0,31,113,.5); }
.hero-subbrand::before, .hero-subbrand::after { content: ""; position: absolute; z-index: -1; width: 1.2rem; height: 1.2rem; background: var(--yellow); box-shadow: 0 0 16px rgba(255,220,54,.85); transform: rotate(45deg); }
.hero-subbrand::before { left: -.42rem; top: -.48rem; }.hero-subbrand::after { right: -.3rem; bottom: -.42rem; width: .72rem; height: .72rem; background: var(--cyan); }
.hero-subbrand i { color: #fff6c9; font-style: normal; }.hero-subbrand b { color: #fff8d8; }
.hero-lead { max-width: 39rem; margin: 2.1rem 0 0 0; color: #e0e8ff; font-size: clamp(1rem, 1.3vw, 1.12rem); font-weight: 600; line-height: 1.9; text-shadow: 0 2px 10px rgba(0,0,0,.35); }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; }
.event-strip { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 42rem; margin-top: 2.7rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.event-strip > div { padding: 1rem 1.2rem; border-right: 1px solid var(--line); }
.event-strip > div:first-child { padding-left: 0; }.event-strip > div:last-child { border: 0; }
.event-strip small, .event-strip span { display: block; color: #bac7e9; font-size: .68rem; font-weight: 600; letter-spacing: .1em; }
.event-strip b { display: block; margin: .25rem 0; font: 850 1.3rem/1 var(--display); color: white; }
.hero-visual { min-height: 40rem; display: grid; place-items: center; position: relative; }
.cube-wrap { position: relative; width: clamp(20rem, 32vw, 33rem); height: clamp(20rem, 32vw, 33rem); display: grid; place-items: center; perspective: 900px; }
.cube { width: 15rem; height: 15rem; position: relative; transform-style: preserve-3d; transform: rotateX(-18deg) rotateY(-31deg) rotateZ(1deg); animation: cubeFloat 5s ease-in-out infinite; }
.cube-face { position: absolute; width: 15rem; height: 15rem; border: 1px solid rgba(156, 218, 255, .72); overflow: hidden; backface-visibility: visible; background: linear-gradient(145deg, rgba(7, 44, 143, .94), rgba(39, 12, 102, .88)); box-shadow: inset 0 0 45px rgba(30, 175, 255, .3), 0 0 30px rgba(36, 97, 255, .25); }
.face-front { transform: translateZ(7.5rem); display: flex; align-items: center; justify-content: center; }
.face-front::before, .face-right::before { content: ""; position: absolute; inset: 7%; border: 1px solid rgba(25, 221, 255, .35); clip-path: polygon(0 0,100% 0,100% 20%,20% 20%,20% 100%,0 100%); }
.face-front span, .face-right span { font: 950 5rem/.75 var(--display); letter-spacing: -.15em; color: transparent; -webkit-text-stroke: 2px white; filter: drop-shadow(5px 6px 0 #ff653b) drop-shadow(-4px -3px 0 #13d7ff); }
.face-front small { position: absolute; bottom: 1.25rem; font-size: .45rem; letter-spacing: .35em; color: var(--cyan); }
.face-right { transform: rotateY(90deg) translateZ(7.5rem); display: grid; place-items: center; background: linear-gradient(135deg, rgba(39, 21, 117, .92), rgba(7, 76, 157, .94)); }
.face-right span { font-size: 4.7rem; }
.face-top { transform: rotateX(90deg) translateZ(7.5rem); display: grid; grid-template-columns: repeat(2, 1fr); padding: 2.5rem; gap: 1rem; background: linear-gradient(135deg, rgba(23, 165, 239, .74), rgba(61, 20, 151, .92)); }
.face-top i { border: 1px solid rgba(255,255,255,.4); box-shadow: inset 0 0 18px rgba(25, 221, 255, .42); }
.cube-shadow { position: absolute; width: 18rem; height: 5rem; border-radius: 50%; bottom: 3.4rem; background: rgba(0, 0, 0, .45); filter: blur(22px); transform: rotate(-4deg); }
.orbit { position: absolute; width: 86%; aspect-ratio: 1; border: 1px solid rgba(25, 221, 255, .26); border-radius: 50%; transform: rotateX(66deg) rotateZ(-18deg); }
.orbit::after { content: ""; position: absolute; top: 48%; left: -4px; width: 8px; height: 8px; border-radius: 50%; background: var(--yellow); box-shadow: 0 0 18px var(--yellow); }
.orbit-b { width: 65%; transform: rotateX(72deg) rotateZ(42deg); border-color: rgba(255, 113, 60, .28); }
.data-chip { position: absolute; padding: .7rem .9rem; border-left: 2px solid var(--cyan); background: rgba(4, 12, 55, .82); backdrop-filter: blur(10px); font: 800 .95rem/1 var(--display); box-shadow: 0 10px 30px rgba(0,0,0,.22); }
.data-chip small { display: block; margin-top: .3rem; color: #7f91c7; font-size: .52rem; font-weight: 500; letter-spacing: .1em; }
.chip-a { left: 1%; top: 22%; }.chip-b { right: 0; top: 37%; border-color: var(--orange); }.chip-c { left: 9%; bottom: 18%; border-color: var(--yellow); }
.hero-stamp { position: absolute; right: 1rem; bottom: 1rem; width: 7rem; height: 7rem; border: 1px solid rgba(144, 180, 255, .28); border-radius: 50%; display: grid; place-items: center; text-align: center; animation: spinStamp 18s linear infinite; }
.hero-stamp span { position: absolute; top: -.55rem; padding: 0 .5rem; color: var(--orange); background: #071244; font-size: .65rem; }
.hero-stamp b { font-size: .63rem; letter-spacing: .17em; line-height: 1.5; }
.scroll-cue { position: absolute; left: 50%; bottom: 1.1rem; transform: translateX(-50%); display: flex; align-items: center; gap: .8rem; color: #7788bb; font-size: .56rem; letter-spacing: .22em; }
.scroll-cue i { width: 3.5rem; height: 1px; background: linear-gradient(90deg, var(--cyan), transparent); }
@keyframes cubeFloat { 0%,100% { transform: rotateX(-18deg) rotateY(-31deg) translateY(0); } 50% { transform: rotateX(-15deg) rotateY(-26deg) translateY(-1rem); } }
@keyframes spinStamp { to { transform: rotate(360deg); } }
@keyframes heroSweep { 0%,18% { left: -42%; opacity: 0; } 30% { opacity: .8; } 60%,100% { left: 122%; opacity: 0; } }

.intro { padding-top: clamp(7rem, 12vw, 12rem); padding-bottom: clamp(6rem, 10vw, 10rem); }
.intro-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(3rem, 8vw, 9rem); align-items: start; }
.intro-copy { border-left: 1px solid var(--line); padding-left: clamp(1.5rem, 4vw, 4rem); color: #c7d3f3; font-size: 1.04rem; font-weight: 500; line-height: 2; }
.intro-lede { margin-top: 0; color: white; font-size: clamp(1.18rem, 1.7vw, 1.52rem); font-weight: 700; line-height: 1.8; }
.region-callout { display: grid; grid-template-columns: 6.5rem 1fr; align-items: center; gap: 1.2rem; margin-top: 1.7rem; padding: .8rem 1rem .8rem .8rem; border: 1px solid rgba(255,113,60,.42); background: linear-gradient(105deg, rgba(255,113,60,.12), rgba(23,73,179,.16)); box-shadow: 0 16px 38px rgba(0,0,0,.18), inset 0 0 24px rgba(255,113,60,.04); }
.region-callout img { width: 6.5rem; height: 6.5rem; object-fit: cover; border: 1px solid rgba(255,255,255,.7); background: #fff; }
.region-callout div { display: flex; flex-direction: column; line-height: 1.35; }
.region-callout small { color: var(--orange); font: 900 .58rem/1.2 var(--display); letter-spacing: .12em; }
.region-callout b { margin-top: .38rem; color: #fff; font: 950 1.18rem/1.2 var(--display); letter-spacing: -.02em; }
.region-callout span { margin-top: .38rem; color: #aebee3; font-size: .72rem; font-weight: 700; letter-spacing: .04em; }
.keyword-marquee { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.5rem; }
.keyword-marquee span { padding: .6rem .8rem; border: 1px solid rgba(92, 141, 255, .3); color: #d5e1ff; background: rgba(14, 31, 93, .55); font-size: .76rem; }
.section-mascot { position: absolute; z-index: 4; right: 0; width: clamp(7.5rem, 9.2vw, 9.5rem); aspect-ratio: 1; margin: 0; padding: .48rem; overflow: hidden; border: 1px solid rgba(107,156,255,.52); border-radius: 1.35rem; background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(226,238,255,.92)); box-shadow: 0 22px 54px rgba(0,0,0,.28), 0 0 28px rgba(25,221,255,.12), inset 0 0 0 1px rgba(255,255,255,.7); }
.section-mascot::before { content: ""; position: absolute; z-index: 2; inset: .38rem; border: 1px solid rgba(38,96,255,.2); border-radius: 1rem; pointer-events: none; }
.section-mascot img { width: 100%; height: 100%; object-fit: cover; border-radius: .92rem; transform: scale(1.08); }
.section-mascot figcaption { position: absolute; z-index: 3; left: .75rem; right: .75rem; bottom: .65rem; padding: .28rem .38rem; color: #fff; background: linear-gradient(90deg, rgba(13,42,126,.88), rgba(255,113,60,.9)); font: 900 .48rem/1 var(--display); letter-spacing: .12em; text-align: center; box-shadow: 0 5px 16px rgba(0,0,0,.22); }
.mascot-ok { top: 5.2rem; }.mascot-laptop { top: 5.3rem; }.mascot-laptop img { transform: scale(1.26); }.mascot-like { top: 5.3rem; }

.highlights { padding-top: 2rem; padding-bottom: clamp(7rem, 12vw, 12rem); }
.feature-switcher { display: grid; grid-template-columns: minmax(13rem, .31fr) 1fr; margin-top: 4rem; border: 1px solid var(--line); background: rgba(3, 10, 48, .42); box-shadow: 0 40px 80px rgba(0,0,0,.19); }
.feature-tabs { display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.feature-tab { appearance: none; border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; padding: 1.8rem; min-height: 7rem; display: grid; grid-template-columns: 2.5rem 1fr; align-items: center; cursor: pointer; font-size: .98rem; transition: background .25s; }
.feature-tab:last-child { border-bottom: 0; }
.feature-tab b { color: #6075af; font-size: .65rem; }
.feature-tab span { font-weight: 800; letter-spacing: .03em; }
.feature-tab.is-active { background: linear-gradient(90deg, rgba(36, 97, 255, .28), rgba(25, 221, 255, .03)); box-shadow: inset 3px 0 var(--cyan); }
.feature-tab.is-active b { color: var(--orange); }
.feature-stage { min-height: 28rem; position: relative; overflow: hidden; padding: clamp(2.2rem, 5vw, 5rem); display: flex; align-items: center; }
.feature-stage::after { content: ""; position: absolute; right: -10%; bottom: -60%; width: 36rem; height: 36rem; border-radius: 50%; border: 5rem solid rgba(46, 106, 255, .08); }
.feature-panel { position: relative; z-index: 2; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); max-width: 43rem; animation: panelIn .45s ease both; }
.panel-number { color: transparent; -webkit-text-stroke: 1px rgba(156, 177, 238, .35); font: 900 clamp(4rem, 7vw, 7rem)/.8 var(--display); }
.panel-tag { margin: 0 0 .7rem; color: var(--cyan); font-size: .61rem; letter-spacing: .18em; }
.feature-panel h3 { margin: 0; font: 900 clamp(2.1rem, 4vw, 3.8rem)/1 var(--display); letter-spacing: -.05em; }
.feature-panel p:not(.panel-tag) { max-width: 36rem; color: #d1dcf8; font-size: .98rem; font-weight: 500; line-height: 1.9; }
.feature-panel ul { display: flex; flex-wrap: wrap; gap: .6rem; padding: 0; margin: 1.6rem 0 0; list-style: none; }
.feature-panel li { padding: .55rem .75rem; border: 1px solid rgba(255, 113, 60, .35); color: #ffd9c7; font-size: .75rem; }
.stage-viz { position: absolute; right: 7%; top: 50%; width: 12rem; height: 12rem; transform: translateY(-50%) rotate(45deg); border: 1px solid rgba(25, 221, 255, .25); }
.stage-viz i { position: absolute; inset: 18%; border: 1px solid rgba(255, 113, 60, .35); }.stage-viz i:nth-child(2){inset:34%;}.stage-viz i:nth-child(3){inset: 48%; background: var(--cyan); box-shadow: 0 0 24px var(--cyan);}
.stage-viz span { position: absolute; right: -2.2rem; top: -2.2rem; color: rgba(156, 195, 255, .3); font: 900 3rem/1 var(--display); transform: rotate(-45deg); }
@keyframes panelIn { from { opacity: 0; transform: translateY(12px); } }

.speakers { padding-top: 1rem; padding-bottom: clamp(7rem, 12vw, 12rem); isolation: isolate; }
.speakers::before { content: ""; position: absolute; z-index: -1; left: 0; right: 0; top: 10%; height: 48rem; background: radial-gradient(circle at 50% 45%, rgba(36,97,255,.22), transparent 58%); pointer-events: none; }
.speaker-head { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.speaker-summary { display: flex; align-items: center; gap: 1.25rem; padding: .9rem 1.2rem; border: 1px solid rgba(98,164,255,.48); background: linear-gradient(110deg, rgba(36,97,255,.2), rgba(25,221,255,.05)); box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.speaker-summary span { display: flex; align-items: baseline; gap: .55rem; }
.speaker-summary b { color: var(--orange); font: 950 1.8rem/1 var(--display); text-shadow: 0 0 14px rgba(255,113,60,.35); }
.speaker-summary small { color: #e3eaff; font-size: .78rem; font-weight: 800; }
.speaker-summary i { width: 1px; height: 2.2rem; background: var(--line); }
.speaker-filters { display: flex; border: 1px solid rgba(98,164,255,.48); background: rgba(3,10,48,.56); box-shadow: 0 12px 30px rgba(0,0,0,.2); }
.speaker-filter { border: 0; background: transparent; padding: 1.05rem 1.5rem; cursor: pointer; color: #d2dcf7; font-weight: 800; }
.speaker-filter b { color: #91a4d2; margin-left: .8rem; font-size: .72rem; }
.speaker-filter.is-active { color: #07113c; background: linear-gradient(115deg, var(--orange), var(--yellow)); box-shadow: 0 0 28px rgba(255,113,60,.25); }
.speaker-filter.is-active b { color: #72332a; }
.boss-banner { margin-top: 3.3rem; padding: 1.25rem 1.5rem; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(1.2rem, 3vw, 3rem); border: 1px solid rgba(25,221,255,.45); border-left: 4px solid var(--orange); background: linear-gradient(90deg, rgba(255,113,60,.13), rgba(36,97,255,.16) 45%, rgba(25,221,255,.05)); box-shadow: inset 0 0 30px rgba(36,97,255,.08), 0 18px 45px rgba(0,0,0,.16); }
.boss-banner span { color: var(--cyan); font-size: .64rem; font-weight: 900; letter-spacing: .16em; }
.boss-banner strong { font: 900 clamp(1.3rem, 2.2vw, 2.1rem)/1.2 var(--display); letter-spacing: -.03em; }
.boss-banner p { margin: 0; color: #d6def5; font-size: .9rem; font-weight: 600; }
.speaker-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; margin-top: 1.25rem; }
.speaker-card { --card-accent: var(--cyan); min-width: 0; border: 1px solid color-mix(in srgb, var(--card-accent) 48%, transparent); background: linear-gradient(150deg, rgba(17, 39, 112, .96), rgba(4, 10, 48, .94)); overflow: hidden; position: relative; box-shadow: 0 22px 50px rgba(0,0,0,.25), inset 0 0 30px rgba(64,112,255,.08); transition: transform .3s, border-color .3s, box-shadow .3s; }
.speaker-card:hover { transform: translateY(-10px); border-color: var(--card-accent); box-shadow: 0 30px 70px rgba(0,0,0,.34), 0 0 28px color-mix(in srgb, var(--card-accent) 18%, transparent); }
.speaker-card::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, var(--card-accent), transparent); }
.card-orange { --card-accent: var(--orange); }.card-violet { --card-accent: #a477ff; }
.speaker-photo { height: 23rem; position: relative; display: grid; place-items: end center; overflow: hidden; background: radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--card-accent) 35%, transparent), transparent 35%), linear-gradient(165deg, rgba(40, 88, 188, .38), rgba(3, 8, 36, .5)); }
.speaker-photo::before { content: ""; position: absolute; width: 9rem; height: 11rem; bottom: -1rem; border-radius: 50% 50% 15% 15%; background: linear-gradient(145deg, color-mix(in srgb, var(--card-accent) 38%, #1d2863), #0b1239); filter: drop-shadow(0 0 24px color-mix(in srgb, var(--card-accent) 40%, transparent)); }
.speaker-photo::after { content: ""; position: absolute; width: 6.2rem; height: 6.2rem; bottom: 7rem; border-radius: 50%; background: linear-gradient(145deg, #e9d5ce 0 55%, #8a6e74 100%); box-shadow: 0 -2.5rem 0 -1.1rem #15152d; }
.speaker-photo strong { position: relative; z-index: 2; margin-bottom: 3.1rem; color: white; font: 900 3rem/1 var(--display); text-shadow: 0 0 18px var(--card-accent); }
.speaker-photo i { position: absolute; width: 17rem; height: 17rem; border-radius: 50%; border: 1px solid color-mix(in srgb, var(--card-accent) 35%, transparent); top: 2rem; }
.photo-label { position: absolute; z-index: 4; left: 1rem; top: 1rem; padding: .45rem .6rem; color: #07113c; background: var(--card-accent); box-shadow: 0 0 18px color-mix(in srgb, var(--card-accent) 42%, transparent); font-size: .62rem; font-weight: 900; letter-spacing: .2em; }
.speaker-photo.has-photo { isolation: isolate; background: #e8eefb; }
.speaker-photo.has-photo::before { content: ""; z-index: 2; inset: .75rem; width: auto; height: auto; bottom: .75rem; border: 1px solid color-mix(in srgb, var(--card-accent) 62%, transparent); border-radius: 0; background: none; filter: none; pointer-events: none; }
.speaker-photo.has-photo::after { content: ""; z-index: 1; left: 0; right: 0; bottom: 0; width: auto; height: 58%; border-radius: 0; background: linear-gradient(180deg, transparent, rgba(3,8,39,.18) 22%, rgba(3,8,39,.97) 100%); box-shadow: none; pointer-events: none; }
.speaker-photo.has-photo img { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(1.05) contrast(1.04); transform: scale(1.015); transition: transform .5s ease; }
.speaker-card:hover .speaker-photo.has-photo img { transform: scale(1.055); }
.portrait-fan img { object-position: center 18%; }.portrait-ye img { object-position: center 20%; }.portrait-xie img { object-position: center 12%; }
.portrait-yang img { object-position: center 10%; }.portrait-liu img { object-position: center 10%; }
.photo-name { position: absolute; z-index: 3; left: 1.25rem; right: 1.25rem; bottom: 1.2rem; display: flex; align-items: end; justify-content: space-between; gap: 1rem; text-align: left; }
.photo-name small { color: var(--card-accent); font-size: .72rem; font-weight: 900; letter-spacing: .08em; text-shadow: 0 0 14px color-mix(in srgb, var(--card-accent) 55%, transparent); }
.photo-name b { color: white; font: 950 2.7rem/1 var(--display); letter-spacing: -.06em; text-shadow: 0 4px 18px rgba(0,0,0,.65); }
.speaker-info { padding: 1.65rem; }
.speaker-order { color: var(--card-accent); font-size: .64rem; font-weight: 900; letter-spacing: .17em; }
.speaker-info h3 { margin: .75rem 0 .35rem; font: 950 2.35rem/1 var(--display); letter-spacing: -.05em; }
.speaker-role { min-height: 2.8rem; margin: 0; color: #f0f4ff; font-size: .82rem; font-weight: 700; line-height: 1.65; }
.speaker-info > p:not(.speaker-role) { color: #c2cef0; font-size: .9rem; font-weight: 500; line-height: 1.8; }
.speaker-result { margin-top: .95rem; padding: .85rem .9rem; border-left: 2px solid var(--card-accent); background: linear-gradient(100deg, color-mix(in srgb, var(--card-accent) 13%, transparent), rgba(255,255,255,.025)); box-shadow: inset 0 0 20px rgba(22,75,190,.08); }
.speaker-result small, .method-block > small, .keynote-block > small { display: block; color: var(--orange); font-size: .65rem; font-weight: 950; letter-spacing: .12em; }
.speaker-result p { margin: .4rem 0 0; color: #e0e8ff; font-size: .78rem; font-weight: 600; line-height: 1.68; }
.method-block, .keynote-block { margin-top: 1rem; }
.method-list, .keynote-list { display: grid; gap: .65rem; margin: .65rem 0 0; padding: 0; list-style: none; counter-reset: keynote; }
.method-list li { position: relative; padding-left: .9rem; border-left: 1px solid color-mix(in srgb, var(--card-accent) 55%, transparent); }
.method-list b, .method-list span { display: block; }
.method-list b { color: #fff; font-size: .72rem; line-height: 1.45; }
.method-list span { margin-top: .18rem; color: #b9c7e9; font-size: .68rem; font-weight: 500; line-height: 1.55; }
.keynote-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .55rem; counter-reset: keynote; }
.keynote-list li { counter-increment: keynote; display: grid; grid-template-columns: 1.35rem 1fr; gap: .5rem; padding: .65rem; border: 1px solid rgba(106,149,255,.2); background: rgba(4,13,57,.42); }
.keynote-list li::before { content: "0" counter(keynote); color: var(--card-accent); font: 950 .62rem/1.2 var(--display); text-shadow: 0 0 12px color-mix(in srgb, var(--card-accent) 60%, transparent); }
.keynote-list b { display: block; color: #fff; font-size: .7rem; line-height: 1.45; }
.keynote-list p { margin: .25rem 0 0; color: #b9c7e9; font-size: .63rem; line-height: 1.5; }
.speaker-topic { margin-top: 1.3rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.speaker-topic small, .speaker-topic b { display: block; }.speaker-topic small { color: var(--orange); font-size: .68rem; font-weight: 900; }.speaker-topic b { margin-top: .42rem; color: white; font-size: .96rem; line-height: 1.45; }
.guest-grid { grid-template-columns: 1fr; max-width: 78rem; margin-left: auto; margin-right: auto; }
.guest-card { display: grid; grid-template-columns: .65fr 1.35fr; }
.guest-card .speaker-photo { height: 100%; min-height: 25rem; }.guest-card .speaker-info { padding: 2rem; align-self: center; }
.guest-section-head { margin-top: clamp(5rem, 8vw, 8rem); padding: 1.35rem 1.5rem; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: clamp(1.5rem, 4vw, 4rem); border: 1px solid rgba(255,113,60,.45); border-left: 4px solid var(--cyan); background: linear-gradient(90deg, rgba(25,221,255,.1), rgba(36,97,255,.16) 48%, rgba(255,113,60,.1)); box-shadow: 0 18px 45px rgba(0,0,0,.18); }
.guest-section-head span { color: var(--cyan); font-size: .64rem; font-weight: 900; letter-spacing: .16em; }
.guest-section-head h3 { margin: .25rem 0 0; font: 950 clamp(1.8rem, 3vw, 3rem)/1 var(--display); letter-spacing: -.05em; }
.guest-section-head p { margin: 0; color: #d6def5; font-size: .92rem; font-weight: 600; line-height: 1.7; }
.guest-section-head > b { color: var(--orange); font-size: .66rem; letter-spacing: .16em; }
.guest-feature { min-height: 35rem; }
.credential-list { display: grid; gap: .45rem; margin: 1.1rem 0 0; padding: 0; list-style: none; }
.credential-list li { position: relative; padding-left: 1rem; color: #cbd6f3; font-size: .78rem; font-weight: 600; line-height: 1.55; }
.credential-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: .38rem; height: .38rem; background: var(--card-accent); box-shadow: 0 0 10px var(--card-accent); transform: rotate(45deg); }
.photo-note { text-align: right; margin-top: 1rem; color: #aebde4; font-size: .76rem; }

.agenda { padding-top: 1rem; padding-bottom: clamp(7rem, 12vw, 12rem); }
.agenda-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(3rem, 8vw, 9rem); }
.agenda-sticky { position: sticky; top: 8rem; align-self: start; }
.agenda-sticky > p { max-width: 27rem; margin-top: 2rem; color: #c6d2f2; font-size: 1rem; font-weight: 500; line-height: 1.9; }
.agenda-date { display: flex; align-items: end; gap: .9rem; margin-top: 3rem; color: var(--orange); }
.agenda-date small { writing-mode: vertical-rl; font-size: .55rem; letter-spacing: .2em; }
.agenda-date b { font: 900 5rem/.8 var(--display); }.agenda-date span { color: #7f90bd; font-size: .65rem; line-height: 1.5; }
.timeline { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--line); }
.timeline li { position: relative; display: grid; grid-template-columns: 8.5rem 1fr; gap: 1.5rem; padding: 2rem 1rem 2rem 0; border-bottom: 1px solid var(--line); transition: background .25s, padding .25s; }
.timeline li::before { content: ""; position: absolute; left: 8.45rem; top: 2.45rem; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); transform: translateX(-50%); }
.timeline li:hover { padding-left: 1rem; background: linear-gradient(90deg, rgba(36, 97, 255, .12), transparent); }
.timeline time { color: #ff9a61; font: 900 .8rem/1.2 var(--display); }
.timeline div { border-left: 1px solid rgba(94, 140, 255, .26); padding-left: 2rem; }
.timeline span { color: #9caed8; font-size: .62rem; font-weight: 800; letter-spacing: .2em; }
.timeline h3 { margin: .35rem 0 .45rem; font: 900 1.38rem/1.2 var(--display); }
.timeline p { margin: 0; color: #bdc9e9; font-size: .9rem; font-weight: 500; line-height: 1.7; }
.timeline .is-highlight { background: linear-gradient(90deg, rgba(34, 83, 218, .18), rgba(21, 219, 255, .03)); }
.timeline .is-highlight h3 { color: #fff; }.timeline .is-highlight::before { background: var(--orange); box-shadow: 0 0 14px var(--orange); }

.register { padding-top: clamp(4rem, 8vw, 8rem); padding-bottom: clamp(4rem, 8vw, 8rem); display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(3rem, 8vw, 9rem); align-items: center; isolation: isolate; }
.register::before { content: ""; position: absolute; inset: 0 max(0px, calc((100vw - 94rem) / -2)); z-index: -2; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(115deg, rgba(8, 30, 100, .88), rgba(24, 12, 72, .82)); }
.register-glow { position: absolute; z-index: -1; right: 4%; width: 38rem; height: 38rem; border-radius: 50%; background: radial-gradient(circle, rgba(36, 97, 255, .3), transparent 65%); }
.register-copy > p { max-width: 39rem; color: #d0daf5; font-size: 1rem; font-weight: 500; line-height: 1.9; margin: 1.7rem 0 2.4rem; }
.register-options { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.register-option { appearance: none; border: 0; border-right: 1px solid var(--line); background: rgba(3, 10, 49, .35); min-height: 8.5rem; padding: 1rem; text-align: left; cursor: pointer; transition: background .25s; }
.register-option:last-child { border: 0; }
.register-option span, .register-option b, .register-option i { display: block; }
.register-option span { color: #9badd7; font-size: .68rem; font-weight: 800; }.register-option b { margin: .75rem 0 .4rem; font-size: 1.02rem; }.register-option i { color: #b7c4e6; font-size: .72rem; font-weight: 600; line-height: 1.5; font-style: normal; }
.register-option.is-active { background: linear-gradient(140deg, var(--orange), #ff9e38); color: #09113d; box-shadow: 0 12px 30px rgba(255,113,60,.2); }
.register-option.is-active span, .register-option.is-active i { color: #6e2d2a; }
.qr-card { position: relative; width: min(100%, 30rem); justify-self: center; padding: 1.2rem; color: #0c1745; background: linear-gradient(150deg, #f6f9ff, #dce9ff); box-shadow: 1.2rem 1.2rem 0 rgba(25, 221, 255, .13), 0 35px 80px rgba(0,0,0,.35); transform: rotate(1.3deg); overflow: hidden; }
.qr-card::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(27,71,155,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(27,71,155,.08) 1px, transparent 1px); background-size: 1rem 1rem; pointer-events: none; }
.qr-card-top { position: relative; display: flex; justify-content: space-between; padding-bottom: .9rem; border-bottom: 1px dashed rgba(9, 27, 82, .3); font-size: .55rem; letter-spacing: .12em; }
.qr-title { position: relative; margin: 1.2rem 0 1rem; }.qr-title small { color: #7080a6; }.qr-title h3 { margin: .25rem 0 0; font: 900 1.65rem/1 var(--display); }
.qr-frame { position: relative; width: min(100%, 18.5rem); aspect-ratio: 1; padding: 1.25rem; margin: 0 auto; background: white; box-shadow: 0 8px 32px rgba(27, 59, 137, .15); }
.qr-frame img { display: block; width: 100%; height: 100%; object-fit: contain; }
.corner { position: absolute; width: 1.1rem; height: 1.1rem; border-color: var(--orange); border-style: solid; z-index: 2; }.corner-a {left:.5rem;top:.5rem;border-width:2px 0 0 2px}.corner-b{right:.5rem;top:.5rem;border-width:2px 2px 0 0}.corner-c{left:.5rem;bottom:.5rem;border-width:0 0 2px 2px}.corner-d{right:.5rem;bottom:.5rem;border-width:0 2px 2px 0}
.qr-card > p { position: relative; min-height: 2.8rem; margin: 1rem auto; max-width: 22rem; color: #566689; font-size: .72rem; line-height: 1.6; text-align: center; }
.qr-footer { position: relative; display: flex; align-items: center; gap: .8rem; padding-top: .8rem; border-top: 1px dashed rgba(9, 27, 82, .3); font-size: .6rem; }.qr-footer i { height: 1px; flex: 1; background: #a1afd0; }.qr-footer b { color: #eb552f; }
.qr-scanline { position: absolute; z-index: 4; left: 12%; right: 12%; height: 2px; top: 34%; background: linear-gradient(90deg, transparent, var(--cyan), transparent); box-shadow: 0 0 12px var(--cyan); animation: scan 3.2s ease-in-out infinite; pointer-events: none; }
@keyframes scan { 0%,100% { transform: translateY(-3rem); opacity: 0; } 20%,80% { opacity: .9; } 50% { transform: translateY(14rem); } }

.event-notes { padding-top: clamp(7rem, 12vw, 12rem); padding-bottom: clamp(7rem, 12vw, 12rem); }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 4rem; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.info-grid article { min-height: 16rem; padding: 1.7rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); position: relative; background: linear-gradient(150deg, rgba(16, 35, 103, .7), rgba(5, 13, 55, .68)); box-shadow: inset 0 0 22px rgba(38,96,255,.06); transition: background .25s, transform .25s, box-shadow .25s; }
.info-grid article:hover { z-index: 1; transform: translateY(-7px); background: rgba(23, 49, 132, .86); box-shadow: 0 22px 42px rgba(0,0,0,.25), inset 0 0 28px rgba(25,221,255,.09); }
.info-grid article > span { position: absolute; top: 1rem; right: 1rem; color: rgba(159, 190, 255, .28); font: 950 3.4rem/1 var(--display); }
.info-grid small { color: #ff9866; font-size: .7rem; font-weight: 900; letter-spacing: .14em; }
.info-grid h3 { margin: 3.2rem 0 .8rem; color: white; font: 950 1.55rem/1.2 var(--display); }
.info-grid p { color: #c2cdec; font-size: .9rem; font-weight: 500; line-height: 1.8; }
.final-cta { min-height: 31rem; max-width: none; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; overflow: hidden; background: radial-gradient(circle at center, rgba(38, 96, 255, .34), transparent 40%); }
.final-cta::before, .final-cta::after { content: ""; position: absolute; left: -10%; right: -10%; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); transform: rotate(-7deg); box-shadow: 0 0 20px var(--blue); }.final-cta::before { top: 25%; }.final-cta::after { bottom: 25%; transform: rotate(6deg); }
.final-cta > p { color: var(--cyan); font-size: .65rem; letter-spacing: .28em; }
.final-cta h2 { margin: 1rem 0 2rem; font: 900 clamp(2.5rem, 6vw, 6rem)/1 var(--display); letter-spacing: -.06em; }.final-cta h2 span { color: var(--orange); }
.site-footer { position: relative; width: 100%; padding: 2.5rem max(4vw, 1.25rem); display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); color: #7080ac; font-size: .65rem; letter-spacing: .12em; }
.site-footer .brand { color: white; font-size: .85rem; }.site-footer .official-logo-frame { padding: .34rem .55rem; }.site-footer .official-region-logo { width: clamp(9rem, 13vw, 12.5rem); }.site-footer > a:last-child { color: #aab9df; }
.mobile-register { display: none; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .system-rail { display: none; }
  .hero { grid-template-columns: minmax(0, 1.1fr) minmax(20rem, .9fr); }
  .hero-copy { padding-left: clamp(1.25rem, 5vw, 4rem); }
  .cube { transform: scale(.8) rotateX(-18deg) rotateY(-31deg); }
  .stage-viz { opacity: .5; }
  .speaker-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .speaker-card:last-child { grid-column: auto; display: block; }
  .speaker-card:last-child .speaker-photo { height: 22rem; min-height: 0; }
  .guest-grid { grid-template-columns: 1fr; max-width: 58rem; }
  .guest-grid .speaker-card, .guest-grid .speaker-card:last-child { grid-column: auto; display: grid; grid-template-columns: .8fr 1.2fr; }
  .guest-grid .speaker-card:last-child .speaker-photo { height: 100%; min-height: 25rem; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  #fluid-canvas { opacity: .52; }
  .site-header { height: 4.5rem; }
  .menu-toggle { display: block; }
  .menu-toggle[aria-expanded="true"] span:first-child { transform: translateY(.18rem) rotate(45deg); }.menu-toggle[aria-expanded="true"] span:last-child { transform: translateY(-.18rem) rotate(-45deg); }
  .site-nav { position: fixed; inset: 0; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1.5rem; padding: 5rem 2rem; font: 800 1.8rem/1.2 var(--display); background: rgba(3,7,35,.97); transform: translateX(100%); transition: transform .35s ease; }
  .site-nav.is-open { transform: translateX(0); }.nav-cta { width: 100%; margin-top: 1rem; text-align: center; font-size: 1rem; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 8rem; padding-bottom: 6rem; }
  .hero-copy { padding: 0 clamp(1.25rem, 5vw, 3rem); }
  .hero h1 { font-size: clamp(4.3rem, 15vw, 7rem); }
  .hero-visual { min-height: 32rem; margin-top: 1rem; }.cube-wrap { width: min(90vw, 29rem); height: min(90vw, 29rem); }
  .scroll-cue { display: none; }
  .intro-layout, .agenda-layout, .register { grid-template-columns: 1fr; }
  .intro-copy { border-left: 0; border-top: 1px solid var(--line); padding: 2rem 0 0; }
  .feature-switcher { grid-template-columns: 1fr; }.feature-tabs { flex-direction: row; border-right: 0; border-bottom: 1px solid var(--line); }.feature-tab { flex: 1; min-height: 6rem; padding: 1rem; grid-template-columns: 1fr; gap: .6rem; }.feature-stage { min-height: 26rem; }
  .speaker-head { align-items: start; flex-direction: column; }.speaker-summary { align-self: stretch; justify-content: center; }
  .boss-banner { grid-template-columns: 1fr; gap: .45rem; }
  .guest-section-head { grid-template-columns: 1fr; gap: .5rem; }
  .speaker-grid { grid-template-columns: 1fr; }.speaker-card, .speaker-card:last-child, .guest-grid .speaker-card:last-child { grid-column: auto; display: grid; grid-template-columns: .8fr 1.2fr; }.speaker-card .speaker-photo, .speaker-card:last-child .speaker-photo { height: 100%; min-height: 24rem; }
  .agenda-sticky { position: static; }
  .register-options { grid-template-columns: 1fr; }.register-option { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 2rem 1fr; }.register-option i { grid-column: 2; }.qr-card { margin-top: 1rem; }
  .site-footer { padding-bottom: 6.5rem; flex-direction: column; gap: 1.5rem; text-align: center; }
  .mobile-register { position: fixed; z-index: 25; left: .75rem; right: .75rem; bottom: .75rem; min-height: 4rem; padding: .6rem .7rem .6rem 1.2rem; display: flex; align-items: center; justify-content: space-between; color: #07113e; background: linear-gradient(110deg, var(--orange), var(--yellow)); box-shadow: 0 16px 40px rgba(0,0,0,.4); }
  .mobile-register span { display: flex; flex-direction: column; }.mobile-register small { font-size: .58rem; letter-spacing: .12em; }.mobile-register b { font-size: 1rem; }.mobile-register i { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; border: 1px solid rgba(7,17,62,.3); font-style: normal; }
}

@media (max-width: 560px) {
  .section-shell { padding-left: 1rem; padding-right: 1rem; }
  .section-index { margin-bottom: 1.25rem; font-size: .62rem; }
  .section-heading p { margin-bottom: .45rem; font-size: .65rem; }
  .section-heading h2 { font-size: clamp(2.25rem, 11.5vw, 3rem); }
  .brand { gap: .45rem; font-size: .75rem; }.official-logo-frame { padding: .2rem .3rem; border-radius: .32rem; }.official-region-logo { width: 7.1rem; }.brand-copy { gap: .12rem; }.brand-copy b { font-size: .62rem; }.brand-copy small { font-size: .38rem; letter-spacing: .02em; }
  .hero { padding-top: 5.8rem; padding-bottom: 3.6rem; }
  .eyebrow { margin-bottom: 1.25rem; font-size: .52rem; gap: .5rem; }.eyebrow::before { width: 1rem; }
  .title-lockup { gap: .45rem; }.year { font-size: 2.15rem; padding-top: .55rem; }.title-kicker { font-size: .43rem; }
  .hero h1 { font-size: clamp(3.15rem, 15.8vw, 4.35rem); }
  .hero-subbrand { gap: .3rem; margin-top: .9rem; padding: .48rem .72rem .5rem; font-size: .58rem; letter-spacing: .01em; }.hero-subbrand::before { width: .75rem; height: .75rem; left: -.25rem; top: -.3rem; }.hero-subbrand::after { width: .5rem; height: .5rem; right: -.16rem; bottom: -.25rem; }
  .hero-lead { margin-top: 1.35rem; font-size: .86rem; line-height: 1.65; }
  .hero-actions { display: grid; grid-template-columns: 1.15fr .85fr; gap: .45rem; margin-top: 1.25rem; }.button { min-height: 2.85rem; padding: 0 .8rem; gap: .5rem; font-size: .72rem; }
  .event-strip { margin-top: 1.5rem; grid-template-columns: repeat(3, minmax(0, 1fr)); }.event-strip > div { padding: .65rem .4rem; }.event-strip > div:first-child { padding-left: 0; }.event-strip b { font-size: .9rem; }.event-strip small, .event-strip span { font-size: .5rem; }
  .hero-visual { min-height: 18rem; margin-top: .5rem; }.cube-wrap { transform: scale(.62); }.cube { width: 13rem; height: 13rem; }.cube-face { width: 13rem; height: 13rem; }.face-front { transform: translateZ(6.5rem); }.face-right { transform: rotateY(90deg) translateZ(6.5rem); }.face-top { transform: rotateX(90deg) translateZ(6.5rem); }.face-front span, .face-right span { font-size: 4.2rem; }.data-chip { font-size: .7rem; }.hero-stamp { display: none; }

  .intro { padding-top: 4.2rem; padding-bottom: 4.2rem; }.intro-copy { padding-top: 1.25rem; font-size: .86rem; line-height: 1.75; }.intro-lede { font-size: 1rem; line-height: 1.65; }.region-callout { grid-template-columns: 4.2rem 1fr; gap: .7rem; margin-top: 1rem; padding: .55rem; }.region-callout img { width: 4.2rem; height: 4.2rem; }.region-callout small { font-size: .42rem; letter-spacing: .06em; }.region-callout b { margin-top: .2rem; font-size: .78rem; }.region-callout span { margin-top: .2rem; font-size: .52rem; line-height: 1.35; }.keyword-marquee { margin-top: 1.25rem; gap: .4rem; }.keyword-marquee span { padding: .45rem .55rem; font-size: .64rem; }
  .highlights, .speakers, .agenda, .event-notes { padding-bottom: 4.2rem; }
  .feature-switcher { margin-top: 2rem; }.feature-tabs { overflow: hidden; }.feature-tab { min-width: 0; min-height: 4.5rem; padding: .65rem .4rem; font-size: .68rem; }.feature-stage { padding: 1.25rem 1rem; min-height: 21rem; align-items: start; }.feature-panel { grid-template-columns: 1fr; gap: .55rem; }.panel-number { font-size: 2.45rem; }.feature-panel h3 { font-size: 1.7rem; }.feature-panel p:not(.panel-tag) { font-size: .78rem; line-height: 1.65; }.feature-panel ul { gap: .35rem; margin-top: .8rem; }.feature-panel li { padding: .4rem .5rem; font-size: .63rem; }.stage-viz { width: 6rem; height: 6rem; right: -1.5rem; top: auto; bottom: .5rem; opacity: .18; }

  .speaker-head { gap: 1.1rem; }.speaker-summary { padding: .65rem .9rem; gap: .85rem; }.speaker-summary b { font-size: 1.35rem; }.speaker-summary small { font-size: .65rem; }.speaker-summary i { height: 1.7rem; }
  .boss-banner { margin-top: 1.4rem; padding: .75rem .85rem; gap: .25rem; }.boss-banner span { font-size: .52rem; }.boss-banner strong { font-size: 1.35rem; }.boss-banner p { font-size: .72rem; line-height: 1.5; }
  .speaker-grid, .guest-grid { gap: .55rem; margin-top: .65rem; }
  .speaker-card, .speaker-card:last-child, .guest-grid .speaker-card, .guest-grid .speaker-card:last-child { display: grid; grid-template-columns: 7rem minmax(0, 1fr); min-height: 11rem; }
  .speaker-card .speaker-photo, .speaker-card:last-child .speaker-photo, .guest-card .speaker-photo, .guest-grid .speaker-card:last-child .speaker-photo { width: 100%; height: 100%; min-height: 11rem; }
  .photo-label { left: .45rem; top: .45rem; padding: .28rem .35rem; font-size: .43rem; }.photo-name { left: .55rem; right: .55rem; bottom: .55rem; }.photo-name small { display: none; }.photo-name b { font-size: 1.15rem; }
  .speaker-info, .guest-card .speaker-info { padding: .75rem; align-self: center; }.speaker-order { font-size: .48rem; }.speaker-info h3 { margin: .4rem 0 .2rem; font-size: 1.35rem; }.speaker-role { min-height: 0; font-size: .62rem; line-height: 1.4; }.speaker-info > p:not(.speaker-role) { margin: .45rem 0; font-size: .67rem; line-height: 1.45; }.speaker-topic { margin-top: .45rem; padding-top: .45rem; }.speaker-topic small { font-size: .52rem; }.speaker-topic b { margin-top: .2rem; font-size: .66rem; line-height: 1.35; }
  .speaker-result { margin-top: .48rem; padding: .5rem .55rem; }.speaker-result small, .method-block > small, .keynote-block > small { font-size: .48rem; }.speaker-result p { margin-top: .22rem; font-size: .59rem; line-height: 1.45; }.method-block, .keynote-block { margin-top: .5rem; }.method-list, .keynote-list { gap: .35rem; margin-top: .35rem; }.method-list li { padding-left: .55rem; }.method-list b { font-size: .56rem; }.method-list span { font-size: .53rem; line-height: 1.4; }.keynote-list { grid-template-columns: 1fr; }.keynote-list li { grid-template-columns: 1rem 1fr; gap: .35rem; padding: .42rem; }.keynote-list li::before { font-size: .48rem; }.keynote-list b { font-size: .55rem; }.keynote-list p { margin-top: .15rem; font-size: .51rem; line-height: 1.38; }
  .guest-section-head { margin-top: 2.6rem; padding: .8rem .85rem; gap: .25rem; }.guest-section-head span { font-size: .52rem; }.guest-section-head h3 { font-size: 1.5rem; }.guest-section-head p { font-size: .72rem; line-height: 1.5; }.guest-section-head > b { font-size: .5rem; }.guest-feature { min-height: 0; }.credential-list { gap: .18rem; margin: .45rem 0 0; }.credential-list li { padding-left: .75rem; font-size: .58rem; line-height: 1.4; }.credential-list li::before { width: .28rem; height: .28rem; }.photo-note { margin-top: .65rem; font-size: .6rem; }

  .agenda-layout { gap: 2rem; }.agenda-sticky > p { margin-top: 1rem; font-size: .82rem; line-height: 1.65; }.agenda-date { margin-top: 1.25rem; }.agenda-date b { font-size: 3.4rem; }
  .timeline li { grid-template-columns: 5.2rem 1fr; gap: .35rem; padding: .9rem 0; }.timeline li::before { left: 5.17rem; top: 1.3rem; }.timeline div { padding-left: .85rem; }.timeline time { font-size: .58rem; }.timeline span { font-size: .48rem; }.timeline h3 { margin: .22rem 0; font-size: .92rem; }.timeline p { font-size: .68rem; line-height: 1.45; }

  .register { padding-top: 3.5rem; padding-bottom: 3.5rem; gap: 2rem; }.register-copy > p { margin: 1rem 0 1.35rem; font-size: .82rem; line-height: 1.65; }.register-option { padding: .7rem .8rem; }.register-option b { margin: .35rem 0 .2rem; font-size: .9rem; }.register-option i { font-size: .62rem; }.qr-card { width: min(100%, 18rem); padding: .8rem; transform: none; }.qr-title { margin: .8rem 0 .6rem; }.qr-title h3 { font-size: 1.25rem; }.qr-frame { max-width: 13rem; padding: .9rem; }.qr-card > p { min-height: 0; margin: .7rem auto; font-size: .65rem; }

  .event-notes { padding-top: 4.2rem; }.info-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2rem; }.info-grid article { min-height: 9.5rem; padding: .9rem; }.info-grid article > span { font-size: 2.25rem; }.info-grid small { font-size: .58rem; }.info-grid h3 { margin: 2.2rem 0 .45rem; font-size: .95rem; }.info-grid p { font-size: .66rem; line-height: 1.55; }
  .section-mascot { position: relative; top: auto; right: auto; width: 5.4rem; margin: .6rem 0 .8rem auto; padding: .3rem; border-radius: .9rem; }.section-mascot::before { inset: .22rem; border-radius: .68rem; }.section-mascot img { border-radius: .65rem; }.section-mascot figcaption { left: .4rem; right: .4rem; bottom: .4rem; padding: .2rem; font-size: .34rem; }.section-mascot + .feature-switcher, .section-mascot + .boss-banner, .section-mascot + .info-grid { margin-top: .7rem; }
  .final-cta { min-height: 19rem; }.final-cta > p { font-size: .45rem; letter-spacing: .16em; }.final-cta h2 { margin: .7rem 0 1.25rem; font-size: 2.05rem; }.site-footer { padding-top: 1.8rem; gap: 1rem; }.site-footer .footer-brand { flex-direction: column; gap: .55rem; }.site-footer .official-region-logo { width: 9.5rem; }
}

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