:root {
  color-scheme: dark;
  --bg: #03060d;
  --panel: rgba(7, 13, 26, .78);
  --ink: #f4fbff;
  --muted: #8aa2b4;
  --cyan: #4ee8ff;
  --magenta: #ff43d1;
  --line: rgba(78, 232, 255, .2);
  font-family: Inter, "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 76% 30%, rgba(26, 145, 192, .22), transparent 35%),
    radial-gradient(circle at 17% 69%, rgba(255, 67, 209, .1), transparent 31%),
    linear-gradient(135deg, rgba(5, 19, 37, .5), transparent 42%),
    var(--bg);
  color: var(--ink);
}
button, a { font: inherit; }
a { color: inherit; }

.page-shell {
  min-height: 100vh;
  overflow: hidden;
  position: relative;
}
.page-shell::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .22;
  background-image:
    linear-gradient(rgba(78, 232, 255, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(78, 232, 255, .08) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, transparent, #000 28%, transparent 92%);
}
.page-shell::after {
  content: "";
  position: fixed;
  width: min(52vw, 860px);
  aspect-ratio: 1;
  right: -18vw;
  top: 12vh;
  border: 1px solid rgba(78, 232, 255, .08);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(78, 232, 255, .018),
    0 0 0 170px rgba(255, 67, 209, .012);
  pointer-events: none;
}

.site-header {
  width: min(1440px, calc(100% - 48px));
  min-height: 74px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, rgba(3, 6, 13, .94), rgba(3, 6, 13, .72));
  backdrop-filter: blur(16px) saturate(140%);
}
.brand {
  display: inline-flex;
  align-items: center;
  width: max-content;
  text-decoration: none;
}
.brand-logo {
  width: clamp(170px, 15vw, 224px);
  height: auto;
  display: block;
  filter: drop-shadow(0 0 10px rgba(78, 232, 255, .13));
  transition: filter 180ms ease, transform 180ms ease;
}
.brand:hover .brand-logo, .brand:focus-visible .brand-logo {
  filter: drop-shadow(0 0 16px rgba(78, 232, 255, .3));
  transform: translateY(-1px);
}
.site-nav { display: flex; gap: 28px; }
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .9rem;
  padding: 9px 0;
  position: relative;
  transition: color 160ms ease;
}
.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 2px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
  transition: right 180ms ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--cyan); }
.site-nav a:hover::after, .site-nav a:focus-visible::after { right: 0; }
.header-location {
  color: var(--muted);
  font-size: .72rem;
  letter-spacing: .11em;
}
.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 16px;
}
.language-toggle, .back-home {
  min-width: 48px;
  min-height: 34px;
  padding: 7px 11px;
  border: 1px solid rgba(78, 232, 255, .28);
  border-radius: 2px 10px 2px 2px;
  color: var(--cyan);
  background: rgba(78, 232, 255, .06);
  font-size: .75rem;
  font-weight: 650;
  letter-spacing: .08em;
  text-decoration: none;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}
.language-toggle:hover, .language-toggle:focus-visible, .back-home:hover, .back-home:focus-visible {
  color: #fff;
  border-color: var(--cyan);
  background: rgba(78, 232, 255, .12);
  box-shadow: 0 0 18px rgba(78, 232, 255, .14);
}

.hero {
  width: min(1440px, calc(100% - 48px));
  min-height: calc(100vh - 132px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(300px, .72fr) minmax(680px, 1.55fr);
  grid-template-rows: auto 1fr;
  align-items: center;
  gap: clamp(20px, 3vw, 54px);
  padding: 28px 0 42px;
  position: relative;
  z-index: 1;
}
.hero-copy { position: relative; z-index: 5; }
.hero-copy::before {
  content: "";
  position: absolute;
  left: -24px;
  top: -22px;
  width: 76px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  box-shadow: 0 0 10px rgba(78, 232, 255, .6);
}
.eyebrow, .detail-level, .location-strip > p {
  margin: 0;
  color: var(--cyan);
  font-size: .74rem;
  letter-spacing: .2em;
}
.coming-soon {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  margin-top: 24px;
  margin-bottom: 6px;
  color: #fff;
  font-family: "Arial Narrow", "Roboto Condensed", sans-serif;
  font-size: clamp(3rem, 6vw, 6.3rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: .16em;
  text-align: center;
  text-indent: .16em;
  text-shadow:
    0 0 2px #fff,
    0 0 8px var(--cyan),
    0 0 18px rgba(78, 232, 255, .95),
    0 0 36px rgba(78, 232, 255, .62),
    3px 3px 0 rgba(255, 67, 209, .8),
    3px 3px 12px rgba(255, 67, 209, .8),
    3px 3px 30px rgba(255, 67, 209, .55);
  filter: drop-shadow(0 0 18px rgba(78, 232, 255, .22));
}
h1 {
  margin: 14px 0 18px;
  font-size: clamp(3.1rem, 6vw, 6.8rem);
  line-height: .94;
  letter-spacing: -.055em;
  font-weight: 520;
}
h1 span {
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan);
  filter: drop-shadow(0 0 14px rgba(78, 232, 255, .34));
}
.hero-intro {
  max-width: 34rem;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
}
.floor-detail {
  min-height: 150px;
  margin-top: 32px;
  padding: 20px 22px;
  border: 1px solid rgba(78, 232, 255, .11);
  border-left: 2px solid var(--cyan);
  background:
    linear-gradient(110deg, rgba(78, 232, 255, .09), rgba(7, 13, 26, .6) 48%, transparent),
    rgba(5, 11, 22, .34);
  backdrop-filter: blur(10px);
  box-shadow: inset 0 0 30px rgba(78, 232, 255, .025);
}
.floor-detail.is-magenta {
  border-left-color: var(--magenta);
  background:
    linear-gradient(110deg, rgba(255, 67, 209, .1), rgba(7, 13, 26, .6) 48%, transparent),
    rgba(5, 11, 22, .34);
}
.floor-detail.is-magenta .detail-level { color: var(--magenta); }
.floor-detail h2 { margin: 8px 0 8px; font-size: 1.45rem; font-weight: 560; }
.floor-detail p:last-child { margin: 0; color: var(--muted); line-height: 1.7; }
.floor-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 20px;
}
.floor-list button {
  min-height: 54px;
  padding: 10px 12px;
  border: 1px solid rgba(78, 232, 255, .16);
  background: rgba(6, 12, 24, .68);
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  cursor: pointer;
  border-radius: 3px 13px 3px 3px;
  position: relative;
  overflow: hidden;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease, box-shadow 160ms ease;
}
.floor-list button::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
  opacity: .35;
}
.floor-list button:hover, .floor-list button:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 9px 26px rgba(0, 0, 0, .24);
}
.floor-list button[aria-pressed="true"] {
  border-color: var(--cyan);
  background: linear-gradient(110deg, rgba(78, 232, 255, .15), rgba(6, 12, 24, .78));
  box-shadow: inset 3px 0 0 var(--cyan), 0 0 22px rgba(78, 232, 255, .09);
}
.floor-list button[data-floor="L2"][aria-pressed="true"] {
  border-color: var(--magenta);
  background: linear-gradient(110deg, rgba(255, 67, 209, .15), rgba(6, 12, 24, .78));
  box-shadow: inset 3px 0 0 var(--magenta), 0 0 22px rgba(255, 67, 209, .09);
}
.floor-list span { color: var(--cyan); font-size: .75rem; letter-spacing: .12em; }
.floor-list button[data-floor="L2"] span { color: var(--magenta); }
.floor-list strong { font-size: .9rem; font-weight: 520; }

.building-stage {
  width: 100%;
  aspect-ratio: 1672 / 941;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  user-select: none;
}
.building-stage::before {
  content: "";
  position: absolute;
  inset: 9% 12%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(46, 190, 229, .18), rgba(255, 67, 209, .035) 48%, transparent 72%);
  filter: blur(18px);
}
.building-stage::after {
  content: "";
  position: absolute;
  z-index: 3;
  left: 20%;
  right: 20%;
  top: 18%;
  height: 1px;
  pointer-events: none;
  opacity: .26;
  background: linear-gradient(90deg, transparent, rgba(78, 232, 255, .9), transparent);
  box-shadow: 0 0 12px rgba(78, 232, 255, .75);
  animation: building-scan 7s ease-in-out infinite;
}
.building-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
  mix-blend-mode: screen;
}
.building-source { display: none; }
.scene-source { display: none; }

.floor-hit {
  position: absolute;
  z-index: 4;
  left: 17%;
  width: 58%;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.floor-hit:focus-visible { outline: 2px solid #fff; outline-offset: -3px; }
.hit-l3 { top: 4%; height: 31%; }
.hit-l2 { top: 36%; height: 18%; }
.hit-l1 { top: 55%; height: 18%; }
.hit-b1 { top: 74%; height: 18%; }

.location-strip {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 26px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  position: relative;
  z-index: 2;
}
.location-strip address { font-style: normal; font-size: clamp(1rem, 2vw, 1.4rem); }
.location-strip a {
  color: var(--cyan);
  text-decoration: none;
  font-size: .9rem;
  padding: 10px 14px;
  border: 1px solid rgba(78, 232, 255, .2);
  background: rgba(78, 232, 255, .04);
  transition: background 160ms ease, border-color 160ms ease;
}
.location-strip a:hover, .location-strip a:focus-visible {
  border-color: var(--cyan);
  background: rgba(78, 232, 255, .1);
}
.contact-strip {
  width: min(1440px, calc(100% - 48px));
  margin: 0 auto;
  padding: 46px 0;
  display: grid;
  grid-template-columns: minmax(260px, .7fr) minmax(420px, 1.3fr);
  gap: clamp(28px, 6vw, 90px);
  align-items: center;
  position: relative;
  z-index: 2;
}
.contact-heading > p {
  margin: 0;
  color: var(--magenta);
  font-size: .74rem;
  letter-spacing: .2em;
}
.contact-heading h2 {
  margin: 9px 0 0;
  max-width: 22rem;
  font-size: clamp(1.45rem, 2.5vw, 2.2rem);
  font-weight: 540;
  line-height: 1.35;
}
.contact-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.contact-links a, .contact-item {
  min-height: 96px;
  padding: 19px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid rgba(78, 232, 255, .16);
  background: linear-gradient(120deg, rgba(78, 232, 255, .06), rgba(6, 12, 24, .66));
  text-decoration: none;
  transition: border-color 160ms ease, transform 160ms ease, background 160ms ease;
}
.contact-links a:hover, .contact-links a:focus-visible {
  border-color: var(--cyan);
  background: linear-gradient(120deg, rgba(78, 232, 255, .11), rgba(6, 12, 24, .7));
  transform: translateY(-2px);
}
.contact-links span {
  color: var(--cyan);
  font-size: .7rem;
  letter-spacing: .16em;
}
.contact-links strong {
  margin-top: 7px;
  font-size: clamp(.88rem, 1.5vw, 1.05rem);
  font-weight: 520;
  overflow-wrap: anywhere;
}
.site-footer {
  width: min(1440px, calc(100% - 48px));
  min-height: 92px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #5f7384;
  font-size: .72rem;
  letter-spacing: .14em;
}
.footer-identity {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 20px;
}
.footer-links a, .legal-footer a {
  color: #7f96a7;
  text-decoration: none;
  transition: color 160ms ease;
}
.footer-links a:hover, .footer-links a:focus-visible, .legal-footer a:hover, .legal-footer a:focus-visible { color: var(--cyan); }

[hidden] { display: none !important; }
.legal-shell { overflow: visible; }
.legal-header { position: sticky; }
.legal-main {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 70px 0 42px;
  position: relative;
  z-index: 1;
}
.legal-hero {
  max-width: 820px;
  padding: 22px 0 52px;
}
.legal-hero h1 {
  margin: 12px 0 18px;
  font-size: clamp(3.2rem, 8vw, 7.6rem);
  line-height: .94;
  letter-spacing: -.06em;
  text-shadow: 0 0 24px rgba(78, 232, 255, .22);
}
.legal-intro {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}
.draft-status {
  width: max-content;
  max-width: 100%;
  margin-top: 26px;
  padding: 9px 12px;
  color: #ffd8f6;
  border: 1px solid rgba(255, 67, 209, .38);
  background: rgba(255, 67, 209, .07);
  font-size: .75rem;
  letter-spacing: .1em;
  box-shadow: 0 0 18px rgba(255, 67, 209, .08);
}
.policy-index {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 62px;
}
.policy-index a {
  min-height: 104px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid rgba(78, 232, 255, .16);
  background: linear-gradient(140deg, rgba(78, 232, 255, .06), rgba(6, 12, 24, .75));
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.policy-index a:hover, .policy-index a:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: linear-gradient(140deg, rgba(78, 232, 255, .12), rgba(6, 12, 24, .78));
}
.policy-index span { color: var(--cyan); font-size: .72rem; letter-spacing: .16em; }
.policy-index strong { font-size: .9rem; font-weight: 560; line-height: 1.45; }
.policy-card {
  scroll-margin-top: 100px;
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr);
  gap: 28px;
  margin: 0 0 24px;
  padding: clamp(28px, 5vw, 58px);
  border: 1px solid rgba(78, 232, 255, .13);
  border-left: 2px solid var(--cyan);
  background:
    linear-gradient(130deg, rgba(78, 232, 255, .055), rgba(7, 13, 26, .84) 45%, rgba(255, 67, 209, .02)),
    rgba(5, 11, 22, .7);
  box-shadow: inset 0 0 50px rgba(78, 232, 255, .018);
}
.policy-card:nth-of-type(even) { border-left-color: var(--magenta); }
.policy-number {
  color: transparent;
  -webkit-text-stroke: 1px rgba(78, 232, 255, .72);
  font-size: clamp(2.4rem, 5vw, 4.4rem);
  line-height: 1;
  letter-spacing: -.08em;
  filter: drop-shadow(0 0 8px rgba(78, 232, 255, .2));
}
.policy-card:nth-of-type(even) .policy-number {
  -webkit-text-stroke-color: rgba(255, 67, 209, .74);
  filter: drop-shadow(0 0 8px rgba(255, 67, 209, .2));
}
.policy-label {
  margin: 0 0 10px;
  color: var(--cyan);
  font-size: .72rem;
  letter-spacing: .18em;
}
.policy-card:nth-of-type(even) .policy-label { color: var(--magenta); }
.policy-copy h2 {
  margin: 0 0 24px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 560;
  line-height: 1.2;
}
.policy-copy h3 {
  margin: 30px 0 9px;
  color: #dffaff;
  font-size: 1.02rem;
  font-weight: 600;
}
.policy-copy p, .policy-copy li {
  color: #a5b6c4;
  font-size: 1rem;
  line-height: 1.85;
}
.policy-copy p { margin: 0 0 14px; }
.policy-copy ul { margin: 10px 0 18px; padding-left: 1.25rem; }
.policy-copy li { margin: 7px 0; padding-left: .3rem; }
.policy-copy strong { color: #eafcff; font-weight: 600; }
.policy-copy a { color: var(--cyan); }
.policy-note {
  margin-top: 24px !important;
  padding: 16px 18px;
  border-left: 2px solid var(--magenta);
  background: rgba(255, 67, 209, .055);
}
.official-links {
  margin: 48px 0 20px;
  padding: 26px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.official-links p { width: 100%; margin: 0 0 4px; color: var(--muted); font-size: .78rem; letter-spacing: .12em; }
.official-links a { color: var(--cyan); font-size: .9rem; text-decoration: none; }
.official-links a:hover, .official-links a:focus-visible { text-decoration: underline; }
.legal-footer { width: min(1120px, calc(100% - 48px)); }

@keyframes building-scan {
  0%, 100% { transform: translateY(0); opacity: .08; }
  50% { transform: translateY(360px); opacity: .34; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 1050px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 54px; }
  .coming-soon { min-height: 88px; margin-top: 18px; margin-bottom: 2px; }
  .hero-copy { max-width: 720px; }
  .building-stage { max-width: 980px; margin: 0 auto; }
  .floor-detail { min-height: 130px; }
  .contact-strip { grid-template-columns: 1fr; }
  .legal-header { grid-template-columns: 1fr auto; }
  .policy-index { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .site-header, .hero, .location-strip, .contact-strip, .site-footer { width: min(100% - 28px, 1440px); }
  .site-header { min-height: 66px; }
  .brand-logo { width: 158px; }
  .header-location { display: none; }
  .header-actions { gap: 8px; }
  .hero { padding: 38px 0 30px; gap: 18px; }
  .coming-soon {
    min-height: 64px;
    margin-top: 12px;
    margin-bottom: 0;
    font-size: clamp(2rem, 10vw, 3.15rem);
    letter-spacing: .1em;
    text-indent: .1em;
  }
  h1 { font-size: clamp(3rem, 16vw, 5rem); }
  .hero-intro { font-size: .95rem; }
  .floor-detail { margin-top: 24px; }
  .floor-list { grid-template-columns: 1fr 1fr; }
  .floor-list button { min-height: 50px; padding: 8px; }
  .floor-list strong { font-size: .78rem; }
  .location-strip { grid-template-columns: 1fr; gap: 9px; }
  .location-strip a { width: max-content; }
  .contact-strip { grid-template-columns: 1fr; gap: 22px; padding: 36px 0; }
  .contact-links { grid-template-columns: 1fr; }
  .site-footer { flex-wrap: wrap; gap: 12px 20px; padding: 24px 0; }
  .footer-links { order: 3; width: 100%; justify-content: flex-start; }
  .legal-main { width: min(100% - 28px, 1120px); padding-top: 42px; }
  .legal-hero { padding-bottom: 38px; }
  .legal-hero h1 { font-size: clamp(2.8rem, 15vw, 4.8rem); }
  .policy-index { grid-template-columns: 1fr 1fr; margin-bottom: 38px; }
  .policy-index a { min-height: 92px; padding: 14px; }
  .policy-card { grid-template-columns: 1fr; gap: 12px; padding: 26px 20px; }
  .policy-number { font-size: 2.5rem; }
  .policy-copy p, .policy-copy li { font-size: .96rem; line-height: 1.78; }
  .legal-footer { width: min(100% - 28px, 1120px); }
}