:root {
  --mist: #f0f3f8;
  --mist-strong: #e6ebf3;
  --paper: #ffffff;
  --pink: #ff007f;
  --pink-soft: #ff5da8;
  --navy: #1e2a4a;
  --navy-deep: #10182f;
  --cyan: #00e5ff;
  --cyan-deep: #00a9bd;
  --text: #27324f;
  --muted: #68728a;
  --line: rgba(30, 42, 74, 0.14);
  --shadow: 0 24px 70px rgba(30, 42, 74, 0.14);
  --shadow-small: 0 12px 34px rgba(30, 42, 74, 0.1);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 16px;
  --container: 1180px;
  --header-height: 76px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 18px); }
body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background: var(--mist);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.lightbox-open { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
h1, h2, h3, p, ul, figure { margin-top: 0; }
h1, h2, h3 { color: var(--navy); line-height: 1.16; letter-spacing: -0.035em; }
p:last-child { margin-bottom: 0; }
::selection { color: #fff; background: var(--pink); }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.section { padding: 112px 0; position: relative; content-visibility: auto; contain-intrinsic-size: 1px 900px; }
.sr-only {
  position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important;
  margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important; border: 0 !important;
}

.skip-link {
  position: fixed; left: 18px; top: -80px; z-index: 9999; padding: 12px 18px;
  color: var(--navy); background: var(--cyan); border-radius: 10px; font-weight: 800;
  transition: top .2s ease;
}
.skip-link:focus { top: 18px; }

.site-header {
  position: fixed; z-index: 1000; top: 0; left: 0; width: 100%;
  color: #fff; background: rgba(16, 24, 47, .72); border-bottom: 1px solid rgba(255,255,255,.08);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); transition: background .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled { background: rgba(16, 24, 47, .94); box-shadow: 0 10px 30px rgba(3, 8, 24, .2); }
.nav-wrap { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; min-width: 0; gap: 12px; }
.brand img { width: 48px; height: 48px; border-radius: 50%; border: 2px solid rgba(255,255,255,.78); object-fit: cover; box-shadow: 0 0 22px rgba(255,0,127,.32); }
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { color: #fff; font-size: 15px; letter-spacing: .02em; }
.brand-copy small { margin-top: 5px; color: rgba(255,255,255,.66); font-size: 11px; letter-spacing: .08em; }
.primary-nav { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 700; }
.primary-nav > a:not(.button) { position: relative; padding: 10px 0; color: rgba(255,255,255,.76); transition: color .3s ease; }
.nav-icon, .button-icon { width: 16px; height: 16px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.primary-nav > a:not(.button) { display: inline-flex; align-items: center; gap: 7px; }
.button-icon { width: 17px; height: 17px; }
.primary-nav > a:not(.button)::after { content: ""; position: absolute; left: 0; bottom: 4px; width: 0; height: 2px; background: linear-gradient(90deg, var(--pink), var(--cyan)); transition: width .3s ease; }
.primary-nav > a:hover, .primary-nav > a:focus-visible, .primary-nav > a.is-active { color: #fff; }
.primary-nav > a:hover::after, .primary-nav > a:focus-visible::after, .primary-nav > a.is-active::after { width: 100%; }
.nav-toggle { display: none; width: 44px; height: 44px; border: 0; padding: 10px; background: transparent; cursor: pointer; transition: filter .3s ease, transform .3s ease; }
.nav-toggle:hover { filter: brightness(1.2); transform: scale(1.06); }
.nav-toggle svg { display: block; width: 24px; height: 24px; margin: auto; overflow: visible; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linecap: round; }
.nav-toggle svg path { transform-box: fill-box; transform-origin: center; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] svg path:first-child { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] svg path:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] svg path:last-child { transform: translateY(-6px) rotate(-45deg); }

.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px;
  border: 1px solid transparent; border-radius: 999px; font-weight: 850; line-height: 1; letter-spacing: .01em;
  cursor: pointer; transition: transform .3s ease, box-shadow .3s ease, background-color .3s ease, border-color .3s ease, filter .3s ease;
}
.button:hover { filter: brightness(1.1); transform: translateY(-2px) scale(1.04); }
.button:focus-visible, .carousel-controls button:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, .back-top:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.button-primary { color: var(--navy-deep); background: var(--cyan); box-shadow: 0 12px 28px rgba(0,229,255,.28); }
.button-primary:hover { background: #6ff2ff; box-shadow: 0 16px 38px rgba(0,229,255,.42); }
.button-ghost { color: #fff; background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.26); backdrop-filter: blur(8px); }
.button-ghost:hover { background: rgba(255,255,255,.14); border-color: rgba(255,255,255,.44); }
.button-small { min-height: 40px; padding: 0 18px; color: var(--navy-deep); background: var(--cyan); font-size: 13px; }

.hero { min-height: 820px; height: max(820px, 100svh); position: relative; display: grid; align-items: center; overflow: hidden; color: #fff; background: var(--navy-deep); }
.hero-media, .hero-media img, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-media img { object-fit: cover; object-position: 52% center; }
.hero-shade {
  background:
    linear-gradient(90deg, rgba(7,12,29,.96) 0%, rgba(12,18,40,.85) 38%, rgba(15,21,44,.28) 69%, rgba(8,12,28,.5) 100%),
    linear-gradient(0deg, rgba(10,17,38,.92) 0%, transparent 36%);
}
.hero::before { content: ""; position: absolute; z-index: 1; width: 600px; height: 600px; left: -260px; top: 90px; border-radius: 50%; background: rgba(255,0,127,.18); filter: blur(90px); }
.hero::after { content: ""; position: absolute; z-index: 1; width: 500px; height: 500px; right: -280px; bottom: -180px; border-radius: 50%; background: rgba(0,229,255,.12); filter: blur(80px); }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) 310px; align-items: end; gap: 70px; padding-top: calc(var(--header-height) + 48px); padding-bottom: 86px; }
.hero-copy { max-width: 760px; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--pink); font-size: 12px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow { color: #fff; }
.eyebrow span { width: 42px; height: 2px; background: var(--pink); box-shadow: 0 0 14px var(--pink); }
.hero h1 { margin-bottom: 24px; color: transparent; background: linear-gradient(110deg, #fff 7%, #ff9acb 48%, #00e5ff 94%); -webkit-background-clip: text; background-clip: text; font-size: clamp(44px, 6vw, 82px); line-height: 1.04; letter-spacing: -.045em; text-shadow: 0 8px 34px rgba(0,0,0,.28); }
.hero h1 span, .hero h1 em { display: block; font-style: normal; }
.hero h1 em { color: inherit; -webkit-text-stroke: 1px rgba(255,255,255,.35); text-shadow: 0 0 30px rgba(255,0,127,.3); }
.hero h1 small { display: block; margin-top: 24px; color: #fff; background: linear-gradient(90deg, #fff, #ff77b5); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; font-size: clamp(16px, 1.7vw, 23px); letter-spacing: .08em; line-height: 1.3; }
.hero-lead { max-width: 660px; margin-bottom: 32px; color: rgba(255,255,255,.8); font-size: clamp(17px, 1.6vw, 21px); line-height: 1.78; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 9px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-tags li { position: relative; isolation: isolate; padding: 7px 12px; color: transparent; background: linear-gradient(105deg, #ff9acb, #00e5ff 58%, #c59aff); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; border: 1px solid transparent; border-radius: 999px; font-size: 12px; }
.hero-tags li::before { position: absolute; z-index: -1; inset: -1px; padding: 1px; border-radius: inherit; background: linear-gradient(105deg, #ff007f, #00e5ff 58%, #8d5bff); content: ""; pointer-events: none; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; }
.hero-panel { padding: 10px 24px; background: rgba(13,20,44,.58); border: 1px solid rgba(255,255,255,.15); border-radius: var(--radius-lg); backdrop-filter: blur(14px); box-shadow: 0 28px 70px rgba(0,0,0,.22); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease; }
.hero-panel:hover { translate: 0 -6px; border-color: rgba(0,229,255,.38); box-shadow: 0 30px 72px rgba(0,0,0,.28), 0 0 28px rgba(0,229,255,.14); }
.hero-panel div { padding: 19px 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.hero-panel div:last-child { border: 0; }
.hero-panel span, .hero-panel strong { display: block; }
.hero-panel span { color: rgba(255,255,255,.5); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
.hero-panel strong { margin-top: 4px; color: #fff; font-size: 16px; }
.scroll-cue { position: absolute; z-index: 3; bottom: 22px; left: 50%; display: flex; flex-direction: column; align-items: center; gap: 7px; color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: .12em; transform: translateX(-50%); }
.scroll-cue span { width: 20px; height: 32px; position: relative; border: 1px solid rgba(255,255,255,.44); border-radius: 12px; }
.scroll-cue span::after { content: ""; position: absolute; left: 50%; top: 7px; width: 3px; height: 6px; border-radius: 3px; background: var(--cyan); transform: translateX(-50%); animation: scrollCue 1.8s ease infinite; }
@keyframes scrollCue { 0% { opacity: 0; transform: translate(-50%,0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%,11px); } }

.quick-facts { position: relative; z-index: 5; margin-top: -1px; color: #fff; background: var(--navy); }
.fact-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.fact-grid div { display: flex; align-items: center; justify-content: center; gap: 14px; min-height: 112px; border-right: 1px solid rgba(255,255,255,.1); transition: background .3s ease, box-shadow .3s ease; }
.fact-grid div:hover { background: rgba(0,229,255,.055); box-shadow: inset 0 0 28px rgba(0,229,255,.08); }
.fact-grid div:last-child { border: 0; }
.fact-grid strong { color: var(--cyan); font-size: 32px; line-height: 1; }
.fact-grid span { color: rgba(255,255,255,.72); font-size: 13px; }

.split-layout { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(50px, 7vw, 92px); align-items: center; }
.split-reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
.section-copy h2, .section-heading h2, .faq-intro h2 { margin-bottom: 24px; color: transparent; background: linear-gradient(105deg, var(--navy) 10%, var(--pink) 63%, var(--cyan-deep) 100%); -webkit-background-clip: text; background-clip: text; font-size: clamp(26px, 3vw, 40px); }
.light-heading h2, .advanced-panel h3 { background: linear-gradient(105deg, #fff 5%, #ff80be 54%, var(--cyan) 100%); -webkit-background-clip: text; background-clip: text; }
.section-copy .lead { color: var(--navy); font-size: 20px; font-weight: 650; line-height: 1.65; }
.section-copy p { color: var(--muted); }
.media-card { position: relative; overflow: hidden; margin: 0; border: 1px solid rgba(30,42,74,.11); border-radius: var(--radius-xl); background: var(--paper); box-shadow: var(--shadow); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease; }
.media-card:hover { translate: 0 -6px; border-color: rgba(255,0,127,.3); box-shadow: 0 24px 64px rgba(30,42,74,.18), 0 0 26px rgba(255,0,127,.12); }
.media-card::after { content: ""; position: absolute; inset: 0; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(255,255,255,.32); border-radius: inherit; }
.media-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; transition: transform .3s ease; }
.media-card:hover img { transform: scale(1.05); }
.media-card figcaption { padding: 18px 22px; color: var(--muted); background: rgba(255,255,255,.96); font-size: 13px; }
.media-card-poster { transform: rotate(-1.5deg); }
.media-card-poster img { aspect-ratio: 1.36 / 1; }
.media-badge { position: absolute; z-index: 2; top: 18px; left: 18px; padding: 8px 12px; color: #fff; background: var(--pink); border-radius: 999px; font-size: 11px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; box-shadow: 0 8px 24px rgba(255,0,127,.28); }
.info-strip { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.info-strip span { padding: 17px 12px; color: var(--muted); font-size: 12px; border-right: 1px solid var(--line); }
.info-strip span:first-child { padding-left: 0; }
.info-strip span:last-child { border: 0; }
.info-strip b { display: block; color: var(--navy); font-size: 11px; letter-spacing: .08em; }

.content-section { background: var(--paper); }
.section-heading { max-width: 790px; margin: 0 auto 54px; text-align: center; }
.section-heading .section-kicker { justify-content: center; }
.section-heading p { color: var(--muted); font-size: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.feature-card { min-height: 260px; padding: 30px 26px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: linear-gradient(145deg, #fff, #f8faff); translate: 0 0; transition: translate .3s ease, box-shadow .3s ease, border-color .3s ease; }
.feature-card:hover { translate: 0 -6px; box-shadow: 0 20px 46px rgba(30,42,74,.14), 0 0 24px rgba(255,0,127,.12); border-color: rgba(255,0,127,.36); }
.feature-card .icon { display: grid; place-items: center; width: 45px; height: 45px; margin-bottom: 24px; color: var(--pink); background: rgba(255,0,127,.08); border-radius: 14px; font-size: 22px; font-weight: 900; }
.feature-card h3 { margin-bottom: 12px; font-size: 19px; }
.feature-card p { color: var(--muted); font-size: 14px; line-height: 1.75; }
.wide-figure { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, .6fr); margin: 58px 0 0; overflow: hidden; background: var(--navy); border-radius: var(--radius-xl); box-shadow: var(--shadow); translate: 0 0; transition: translate .3s ease, box-shadow .3s ease; }
.wide-figure:hover { translate: 0 -6px; box-shadow: 0 25px 65px rgba(30,42,74,.2), 0 0 28px rgba(0,229,255,.13); }
.wide-figure img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; transition: transform .3s ease; }
.wide-figure:hover img { transform: scale(1.05); }
.wide-figure figcaption { display: flex; flex-direction: column; justify-content: center; padding: 44px; color: rgba(255,255,255,.68); }
.wide-figure figcaption strong { display: block; margin-bottom: 15px; color: #fff; font-size: 28px; line-height: 1.25; }

.route-section { overflow: hidden; }
.route-section::before { content: ""; position: absolute; width: 550px; height: 550px; right: -260px; top: 20px; border-radius: 50%; background: rgba(255,0,127,.08); filter: blur(10px); }
.route-flow { display: grid; gap: 12px; margin-top: 32px; }
.route-flow article { display: flex; gap: 18px; padding: 18px; background: rgba(255,255,255,.7); border: 1px solid var(--line); border-radius: var(--radius-md); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease; }
.route-flow article:hover { translate: 0 -6px; border-color: rgba(255,0,127,.34); box-shadow: 0 18px 38px rgba(30,42,74,.12), 0 0 22px rgba(255,0,127,.1); }
.route-flow article > span { display: grid; flex: 0 0 42px; place-items: center; width: 42px; height: 42px; color: #fff; background: var(--pink); border-radius: 50%; font-size: 12px; font-weight: 900; }
.route-flow h3 { margin: 0 0 4px; font-size: 17px; }
.route-flow p { margin: 0; font-size: 13px; }
.tall-media img { aspect-ratio: 4 / 5; object-position: center top; }

.guide-section { color: #fff; background: var(--navy-deep); overflow: hidden; }
.guide-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 52px 52px; mask-image: linear-gradient(to bottom, black, transparent); }
.guide-section .container { position: relative; z-index: 1; }
.light-heading h2 { color: #fff; }
.light-heading p { color: rgba(255,255,255,.62); }
.guide-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: 38px; align-items: stretch; }
.guide-visual { position: sticky; top: calc(var(--header-height) + 24px); height: fit-content; overflow: hidden; margin: 0; border-radius: var(--radius-xl); box-shadow: 0 30px 80px rgba(0,0,0,.28); translate: 0 0; transition: translate .3s ease, box-shadow .3s ease; }
.guide-visual:hover { translate: 0 -6px; box-shadow: 0 32px 82px rgba(0,0,0,.34), 0 0 30px rgba(0,229,255,.14); }
.guide-visual img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .3s ease; }
.guide-visual:hover img { transform: scale(1.05); }
.guide-visual figcaption { position: absolute; left: 18px; right: 18px; bottom: 18px; padding: 16px 18px; color: rgba(255,255,255,.76); background: rgba(10,15,35,.72); border: 1px solid rgba(255,255,255,.12); border-radius: 14px; backdrop-filter: blur(12px); font-size: 13px; }
.tips-list { display: grid; gap: 12px; }
.tips-list article { display: flex; gap: 20px; padding: 25px; background: rgba(255,255,255,.055); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-md); translate: 0 0; transition: translate .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease; }
.tips-list article:hover { translate: 0 -6px; background: rgba(255,255,255,.09); border-color: rgba(0,229,255,.4); box-shadow: 0 18px 42px rgba(0,0,0,.22), 0 0 24px rgba(0,229,255,.12); }
.tips-list article > span { color: var(--cyan); font-size: 12px; font-weight: 900; }
.tips-list h3 { margin: 0 0 7px; color: #fff; font-size: 18px; }
.tips-list p { margin: 0; color: rgba(255,255,255,.6); font-size: 14px; }
.advanced-panel { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; align-items: center; margin-top: 38px; padding: 36px 42px; color: #fff; background: linear-gradient(110deg, rgba(255,0,127,.16), rgba(0,229,255,.07)); border: 1px solid rgba(255,255,255,.12); border-radius: var(--radius-lg); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease; }
.advanced-panel:hover { translate: 0 -6px; border-color: rgba(255,0,127,.38); box-shadow: 0 20px 48px rgba(0,0,0,.22), 0 0 26px rgba(255,0,127,.12); }
.advanced-panel h3 { margin: 0; color: #fff; font-size: 26px; }
.advanced-panel p { color: rgba(255,255,255,.68); }

.analysis-section { background: var(--paper); }
.analysis-list { display: grid; gap: 20px; margin-top: 32px; }
.analysis-list article { padding-left: 20px; border-left: 3px solid var(--pink); border-radius: 0 12px 12px 0; translate: 0 0; transition: translate .3s ease, background .3s ease, box-shadow .3s ease; }
.analysis-list article:hover { translate: 0 -6px; background: rgba(255,255,255,.72); box-shadow: 0 16px 34px rgba(30,42,74,.1), 0 0 20px rgba(255,0,127,.08); }
.analysis-list h3 { margin-bottom: 7px; font-size: 19px; }
.analysis-list p { margin: 0; font-size: 14px; }

.features-section { overflow: hidden; }
.feature-showcase { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.showcase-card { position: relative; min-height: 252px; overflow: hidden; padding: 28px; color: rgba(255,255,255,.72); background: linear-gradient(145deg, rgba(38,51,84,.82), rgba(16,24,47,.88)); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; box-shadow: inset 0 1px rgba(255,255,255,.04); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease; }
.showcase-card::before { content: ""; position: absolute; inset: auto auto -72px -55px; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(255,0,127,.22), transparent 68%); opacity: 0; transition: opacity .3s ease, transform .3s ease; pointer-events: none; }
.showcase-card:hover, .showcase-card:focus-within { z-index: 1; translate: 0 -6px; border-color: rgba(0,229,255,.42); box-shadow: 0 18px 44px rgba(0,0,0,.2), 0 0 28px rgba(0,229,255,.13), inset 0 1px rgba(255,255,255,.08); background: linear-gradient(145deg, rgba(44,59,96,.95), rgba(16,24,47,.96)); }
.showcase-card:hover::before { opacity: 1; transform: scale(1.2); }
.showcase-icon { position: relative; z-index: 1; display: grid; place-items: center; width: 48px; height: 48px; margin-bottom: 24px; color: var(--cyan); background: rgba(0,229,255,.09); border: 1px solid rgba(0,229,255,.2); border-radius: 12px; transition: transform .3s cubic-bezier(.2,.7,.2,1), color .3s ease, background .3s ease, box-shadow .3s ease; }
.showcase-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.showcase-card:hover .showcase-icon { color: #fff; background: rgba(255,0,127,.2); box-shadow: 0 0 20px rgba(255,0,127,.24); transform: translateY(-3px) rotate(-5deg) scale(1.06); }
.showcase-card h3 { position: relative; z-index: 1; margin: 0 0 11px; color: #fff; font-size: 20px; }
.showcase-card p { position: relative; z-index: 1; margin: 0; color: rgba(235,240,250,.68); font-size: 14px; line-height: 1.85; }

.gallery-section { color: #fff; background: var(--navy); overflow: hidden; }
.gallery-section::before { content: ""; position: absolute; width: 700px; height: 700px; top: -420px; left: 50%; border-radius: 50%; background: rgba(255,0,127,.12); filter: blur(40px); transform: translateX(-50%); }
.compact-heading { margin-bottom: 38px; }
.compact-heading h2 { color: #fff; }
.gallery-section .compact-heading h2 { background: linear-gradient(105deg, #fff 5%, #ff80be 54%, var(--cyan) 100%); -webkit-background-clip: text; background-clip: text; }
.compact-heading p { color: rgba(255,255,255,.6); }
.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.gallery-item { position: relative; overflow: hidden; min-width: 0; padding: 0; border: 0; border-radius: 12px; background: #111a34; cursor: zoom-in; box-shadow: 0 18px 48px rgba(0,0,0,.2); translate: 0 0; transition: translate .3s ease, box-shadow .3s ease; }
.gallery-item:hover, .gallery-item:focus-visible { translate: 0 -6px; box-shadow: 0 22px 52px rgba(0,0,0,.28), 0 0 26px rgba(0,229,255,.15); }
.gallery-item::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, transparent 52%, rgba(8,13,31,.85)); }
.gallery-item img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transform: scale(1.001); transition: transform .3s ease, filter .3s ease; }
.gallery-item span { position: absolute; z-index: 1; left: 16px; bottom: 14px; color: #fff; font-size: 13px; font-weight: 800; letter-spacing: .02em; text-align: left; }
.gallery-zoom-icon { position: absolute; z-index: 2; top: 12px; right: 12px; width: 34px; height: 34px; padding: 7px; color: #fff; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; background: rgba(9,15,34,.56); border: 1px solid rgba(255,255,255,.25); border-radius: 50%; opacity: 0; transform: translateY(-4px); transition: opacity .2s ease, transform .2s ease; }
.gallery-item:hover .gallery-zoom-icon, .gallery-item:focus-visible .gallery-zoom-icon { opacity: 1; transform: translateY(0); }
.gallery-item:hover img, .gallery-item:focus-visible img { transform: scale(1.05); filter: saturate(1.08); }
.gallery-item:focus-visible { outline: 3px solid var(--cyan); outline-offset: 4px; }
.lightbox { position: fixed; z-index: 2000; inset: 0; display: flex; align-items: center; justify-content: center; gap: 20px; padding: 42px 72px; opacity: 0; visibility: hidden; background: rgba(4,8,22,.94); backdrop-filter: blur(16px); transition: opacity .25s ease, visibility .25s ease; }
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-figure { display: flex; flex-direction: column; align-items: center; width: min(100%, 1180px); margin: 0; }
.lightbox-figure img { width: 100%; max-height: 80vh; object-fit: contain; border-radius: 12px; box-shadow: 0 30px 90px rgba(0,0,0,.42); }
.lightbox-figure figcaption { margin-top: 14px; color: rgba(255,255,255,.72); font-size: 13px; }
.lightbox-close, .lightbox-arrow { display: grid; place-items: center; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.2); cursor: pointer; transition: color .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease, transform .3s ease; }
.lightbox-close { position: absolute; top: 20px; right: 22px; width: 44px; height: 44px; border-radius: 50%; }
.lightbox-arrow { width: 52px; height: 52px; flex: 0 0 52px; border-radius: 50%; }
.lightbox-close svg { width: 21px; height: 21px; }
.lightbox-arrow svg { width: 26px; height: 26px; }
.lightbox-close svg, .lightbox-arrow svg { fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.lightbox-close:hover, .lightbox-arrow:hover { color: var(--navy); background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 24px rgba(0,229,255,.28); transform: translateY(-2px) scale(1.06); }
.lightbox-close:focus-visible, .lightbox-arrow:focus-visible { outline: 3px solid var(--pink); outline-offset: 3px; }
.carousel { position: relative; }
.carousel-track { display: grid; }
.carousel-slide { grid-area: 1 / 1; margin: 0; opacity: 0; visibility: hidden; transform: translateX(24px); transition: opacity .5s ease, transform .5s ease, visibility .5s; }
.carousel-slide.is-active { opacity: 1; visibility: visible; transform: translateX(0); }
.carousel-slide img { width: 100%; aspect-ratio: 16 / 8.2; object-fit: cover; border-radius: var(--radius-xl); box-shadow: 0 35px 90px rgba(0,0,0,.28); }
.carousel-slide figcaption { position: absolute; left: 22px; bottom: 22px; padding: 10px 15px; background: rgba(10,15,35,.74); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; backdrop-filter: blur(10px); font-size: 12px; }
.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 28px; }
.carousel-controls button { display: grid; place-items: center; width: 46px; height: 46px; color: #fff; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); border-radius: 50%; cursor: pointer; transition: color .3s ease, background .3s ease, border-color .3s ease, box-shadow .3s ease, transform .3s ease; }
.carousel-controls button:hover { color: var(--navy); background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 24px rgba(0,229,255,.28); transform: translateY(-2px) scale(1.06); }
.carousel-dots { display: flex; gap: 8px; }
.carousel-dots button { width: 9px; height: 9px; padding: 0; background: rgba(255,255,255,.26); border: 0; }
.carousel-dots button.is-active { width: 30px; border-radius: 999px; background: var(--pink); }

.updates-section { background: var(--paper); }
.timeline { display: grid; gap: 16px; max-width: none; margin: 0 auto; }
.timeline article { display: block; padding: 24px 28px 26px; background: linear-gradient(135deg, #fff, #f8faff); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: 0 10px 28px rgba(30,42,74,.06); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease; }
.timeline article:hover { translate: 0 -6px; border-color: rgba(255,0,127,.34); box-shadow: 0 20px 46px rgba(30,42,74,.14), 0 0 24px rgba(255,0,127,.1); }
.timeline time { display: block; margin-bottom: 10px; color: var(--pink); font-size: 13px; font-weight: 850; letter-spacing: .08em; }
.timeline article > div { padding: 0; }
.timeline article span { color: var(--pink); font-size: 11px; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; }
.timeline h3 { margin: 9px 0 9px; font-size: 24px; }
.timeline p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }

.faq-section { overflow: hidden; }
.faq-layout { display: block; }
.faq-intro { max-width: 760px; margin: 0 auto 36px; text-align: center; }
.faq-intro .section-kicker { justify-content: center; }
.faq-intro h2 { margin-bottom: 18px; }
.faq-intro p { color: var(--muted); }
.faq-list { display: grid; gap: 14px; }
.faq-list details { overflow: hidden; background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: var(--radius-md); translate: 0 0; transition: translate .3s ease, border-color .3s ease, box-shadow .3s ease, background .3s ease; }
.faq-list details:hover { translate: 0 -6px; border-color: rgba(255,0,127,.3); box-shadow: 0 18px 40px rgba(30,42,74,.12), 0 0 22px rgba(255,0,127,.09); }
.faq-list details[open] { background: #fff; border-color: rgba(255,0,127,.3); box-shadow: var(--shadow-small); }
.faq-list summary { position: relative; padding: 22px 58px 22px 24px; color: var(--navy); font-size: 16px; font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::before, .faq-list summary::after { content: ""; position: absolute; right: 24px; top: 50%; width: 14px; height: 2px; background: var(--pink); transform: translateY(-50%); transition: transform .2s ease; }
.faq-list summary::after { transform: translateY(-50%) rotate(90deg); }
.faq-list details[open] summary::after { transform: translateY(-50%) rotate(0); }
.faq-list details p { margin: 0; padding: 0 24px 22px; color: var(--muted); font-size: 14px; }

.cta-section { padding: 0 0 112px; background: var(--mist); }
.cta-card { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 54px 58px; color: #fff; background: linear-gradient(120deg, var(--navy-deep), var(--navy) 65%, #293964); border-radius: var(--radius-xl); box-shadow: var(--shadow); }
.cta-card h2 { margin-bottom: 10px; color: #fff; font-size: clamp(26px, 3.2vw, 40px); }
.cta-card p { color: rgba(255,255,255,.64); }

.site-footer { padding: 64px 0 22px; color: rgba(255,255,255,.66); background: var(--navy-deep); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px 70px; align-items: start; }
.footer-brand { display: flex; align-items: center; gap: 15px; }
.footer-brand img { width: 64px; height: 64px; object-fit: cover; border-radius: 50%; border: 2px solid rgba(255,255,255,.18); }
.footer-brand strong, .footer-brand span { display: block; }
.footer-brand strong { color: #fff; font-size: 18px; }
.footer-brand span { margin-top: 5px; font-size: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px 24px; font-size: 13px; font-weight: 700; }
.site-footer nav a { position: relative; padding-bottom: 5px; transition: color .3s ease; }
.site-footer nav a::after { position: absolute; left: 0; bottom: 0; width: 0; height: 2px; background: linear-gradient(90deg, var(--pink), var(--cyan)); content: ""; transition: width .3s ease; }
.site-footer nav a:hover { color: var(--cyan); }
.site-footer nav a:hover::after, .site-footer nav a:focus-visible::after { width: 100%; }
.footer-note { grid-column: 1 / -1; max-width: 850px; margin: 0; font-size: 12px; line-height: 1.8; }
.friends-band { position: relative; overflow: hidden; margin-top: 0; padding: 28px 0 32px; background: linear-gradient(105deg, #28192f, #17263a 55%, #102e36); border-top: 1px solid rgba(255,255,255,.08); border-bottom: 1px solid rgba(255,255,255,.08); }
.friends-band::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(255,0,127,.08), transparent 42%, rgba(0,229,255,.08)); }
.friends-inner { position: relative; z-index: 1; }
.friends-inner h2 { margin: 0 0 18px; color: #f0f3f8; font-family: Georgia, "Noto Serif CJK SC", serif; font-size: 23px; font-weight: 600; text-align: center; }
.friends-links { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 10px 12px; }
.friends-links a { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; max-width: 100%; padding: 8px 18px; color: rgba(255,255,255,.88); background: rgba(16,24,47,.38); border: 1px solid rgba(0,229,255,.19); border-radius: 999px; font-size: 13px; font-weight: 700; line-height: 1.4; text-align: center; transition: color .3s ease, background .3s ease, border-color .3s ease, filter .3s ease, transform .3s ease, box-shadow .3s ease; }
.friends-links a:hover, .friends-links a:focus-visible { color: #fff; background: rgba(255,0,127,.14); border-color: rgba(255,0,127,.5); filter: brightness(1.1); box-shadow: 0 0 22px rgba(255,0,127,.12); transform: translateY(-2px) scale(1.04); outline: none; }
.friends-links a:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
.footer-bottom { display: flex; justify-content: space-between; margin-top: 36px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.09); font-size: 11px; }
.footer-bottom a:hover { color: var(--cyan); }

.floating-details { position: fixed; isolation: isolate; z-index: 850; right: 20px; bottom: 78px; display: inline-flex; align-items: center; gap: 8px; min-height: 46px; padding: 0 18px; color: var(--navy-deep); background: var(--cyan); border: 0; border-radius: 999px; box-shadow: 0 14px 32px rgba(0,229,255,.3); font-size: 13px; font-weight: 850; transform: translateY(0); transition: transform .3s ease, box-shadow .3s ease, background .3s ease, filter .3s ease; }
.floating-details::before { position: absolute; z-index: -1; inset: -2px; padding: 2px; border-radius: inherit; background: conic-gradient(from var(--details-angle, 0deg), #ff007f, #ffcf33, #00e5ff, #8d5bff, #ff007f); content: ""; opacity: 0; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); mask-composite: exclude; transition: opacity .25s ease; }
.floating-details > * { position: relative; z-index: 1; }
.floating-details:hover::before, .floating-details:focus-visible::before { opacity: 1; animation: details-border-flow 2.4s linear infinite; }
.floating-details:hover { background: #6ff2ff; filter: brightness(1.1); box-shadow: 0 18px 40px rgba(0,229,255,.45); transform: translateY(-3px) scale(1.04); }
@property --details-angle { syntax: "<angle>"; inherits: false; initial-value: 0deg; }
@keyframes details-border-flow { to { --details-angle: 1turn; } }
.back-top { position: fixed; z-index: 800; right: 20px; bottom: 20px; display: grid; place-items: center; width: 46px; height: 46px; opacity: 0; visibility: hidden; color: var(--navy); background: var(--cyan); border: 0; border-radius: 50%; box-shadow: 0 14px 32px rgba(0,229,255,.28); cursor: pointer; transform: translateY(10px); transition: opacity .3s ease, visibility .3s ease, transform .3s ease, filter .3s ease, box-shadow .3s ease; }
.back-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top.is-visible:hover { filter: brightness(1.1); box-shadow: 0 18px 38px rgba(0,229,255,.42); transform: translateY(-2px) scale(1.06); }

.js [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s cubic-bezier(.2,.7,.2,1); }
.js [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .primary-nav { gap: 14px; font-size: 12px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid { grid-template-columns: 1fr 270px; gap: 38px; }
  .feature-showcase { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  :root { --header-height: 68px; }
  .section { padding: 82px 0; }
  .nav-toggle { display: block; }
  .primary-nav { position: fixed; top: var(--header-height); left: 16px; right: 16px; display: grid; gap: 2px; max-height: calc(100svh - var(--header-height) - 24px); overflow: auto; padding: 18px; opacity: 0; visibility: hidden; background: rgba(16,24,47,.98); border: 1px solid rgba(255,255,255,.12); border-radius: 18px; box-shadow: 0 24px 60px rgba(0,0,0,.28); transform: translateY(-10px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
  .primary-nav.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .primary-nav > a:not(.button) { padding: 12px 10px; font-size: 14px; }
  .primary-nav .button { margin-top: 8px; }
  body.nav-open { overflow: hidden; }
  .hero { height: auto; min-height: 780px; }
  .hero-grid { grid-template-columns: 1fr; align-items: center; padding-top: 130px; padding-bottom: 84px; }
  .hero-panel { display: grid; grid-template-columns: 1fr 1fr; }
  .hero-panel div:nth-child(odd) { padding-right: 20px; border-right: 1px solid rgba(255,255,255,.12); }
  .hero-panel div:nth-last-child(-n+2) { border-bottom: 0; }
  .split-layout, .split-reverse, .guide-layout { grid-template-columns: 1fr; }
  .split-reverse .section-copy { order: 2; }
  .split-reverse .media-card { order: 1; }
  .media-card-poster { transform: none; }
  .wide-figure { grid-template-columns: 1fr; }
  .wide-figure img { min-height: 360px; }
  .guide-visual, .faq-intro { position: relative; top: auto; }
  .guide-visual img { aspect-ratio: 16 / 10; }
  .advanced-panel { grid-template-columns: 1fr; gap: 15px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .section { padding: 68px 0; }
  .brand-copy small { display: none; }
  .brand-copy strong { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .hero { min-height: 760px; }
  .hero-media img { object-position: 60% center; }
  .hero-shade { background: linear-gradient(90deg, rgba(7,12,29,.97), rgba(7,12,29,.72)), linear-gradient(0deg, rgba(10,17,38,.94), transparent 55%); }
  .hero-grid { padding-top: 118px; gap: 28px; }
  .hero h1 { font-size: clamp(42px, 14vw, 64px); }
  .hero h1 small { margin-top: 18px; font-size: 16px; }
  .hero-lead { font-size: 16px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .hero-panel { display: none; }
  .hero-tags { gap: 6px; }
  .fact-grid { grid-template-columns: repeat(2, 1fr); }
  .fact-grid div { min-height: 88px; border-bottom: 1px solid rgba(255,255,255,.1); }
  .fact-grid div:nth-child(2) { border-right: 0; }
  .fact-grid div:nth-last-child(-n+2) { border-bottom: 0; }
  .section-copy h2, .section-heading h2, .faq-intro h2 { font-size: 26px; }
  .section-copy .lead, .section-heading p { font-size: 16px; }
  .feature-grid, .feature-showcase { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; gap: 14px; }
  .feature-card { min-height: auto; }
  .info-strip { grid-template-columns: 1fr; }
  .info-strip span { padding: 12px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .info-strip span:last-child { border-bottom: 0; }
  .wide-figure img { min-height: 260px; }
  .wide-figure figcaption { padding: 28px; }
  .wide-figure figcaption strong { font-size: 22px; }
  .tall-media img { aspect-ratio: 4 / 4.5; }
  .guide-visual img { aspect-ratio: 4 / 5; }
  .tips-list article { padding: 20px; }
  .advanced-panel { padding: 28px 24px; }
  .gallery-item span { left: 13px; bottom: 11px; font-size: 12px; }
  .lightbox { gap: 8px; padding: 58px 12px 30px; }
  .lightbox-arrow { width: 42px; height: 42px; flex-basis: 42px; font-size: 34px; }
  .lightbox-figure img { max-height: 72vh; }
  .lightbox-figure figcaption { font-size: 12px; text-align: center; }
  .timeline article { padding: 21px 20px 23px; }
  .timeline h3 { font-size: 21px; }
  .timeline p { font-size: 14px; }
  .cta-section { padding-bottom: 68px; }
  .cta-card { display: grid; padding: 38px 26px; }
  .cta-card .button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .footer-bottom { gap: 24px; }
  .friends-band { margin-top: 0; padding: 26px 0; }
  .friends-links { display: grid; grid-template-columns: 1fr; justify-items: stretch; }
  .friends-links a { width: 100%; min-height: 44px; }
  .floating-details { right: 14px; bottom: 74px; min-height: 42px; padding: 0 15px; font-size: 12px; }
}

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

@media (forced-colors: active) {
  .button, .feature-card, .showcase-card, .media-card, .faq-list details { border: 1px solid CanvasText; }
}
