:root {
  --black: #070707;
  --black-soft: #111111;
  --black-panel: #171717;
  --white: #f2f2ef;
  --white-soft: #d8d8d4;
  --gray: #8a8a87;
  --gray-dark: #4f4f4d;
  --line: rgba(255,255,255,.16);
  --line-strong: rgba(255,255,255,.32);
  --silver: linear-gradient(115deg,#4f4f4f 0%,#ededeb 16%,#777 31%,#fafafa 47%,#8b8b8b 65%,#d8d8d4 82%,#565656 100%);
  --serif: "Bodoni MT", Didot, "Times New Roman", serif;
  --display: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --cn-art: "FangSong", "STFangsong", "Songti SC", "SimSun", serif;
  --max: 1780px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--black); }
body {
  margin: 0;
  min-width: 320px;
  background: var(--black);
  color: var(--white);
  font-family: Arial, "Microsoft YaHei", sans-serif;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }

.grain {
  position: fixed;
  inset: 0;
  z-index: 99;
  pointer-events: none;
  opacity: .075;
  mix-blend-mode: screen;
  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='.95' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
}

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(18px, 2.6vw, 46px);
  border-bottom: 1px solid rgba(255,255,255,.1);
  background: rgba(7,7,7,.68);
  backdrop-filter: blur(18px);
}

.brand {
  font-family: var(--cn-art);
  font-size: 16px;
  letter-spacing: .08em;
}

.topnav {
  display: flex;
  gap: 28px;
  font: 700 10px/1 var(--display);
  letter-spacing: .16em;
}
.topnav a { opacity: .72; transition: opacity .2s ease; }
.topnav a:hover { opacity: 1; }

.hero {
  position: relative;
  min-height: 100svh;
  max-width: var(--max);
  margin: 0 auto;
  overflow: hidden;
  padding: 92px clamp(18px, 2.6vw, 46px) 34px;
  border-left: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.08);
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -4;
  background:
    linear-gradient(125deg, rgba(255,255,255,.035), transparent 27%),
    radial-gradient(circle at 76% 23%, rgba(255,255,255,.075), transparent 28%),
    #070707;
}

.hero-meta {
  position: absolute;
  top: 96px;
  z-index: 4;
  color: #aaa;
  font: 700 9px/1.5 var(--display);
  letter-spacing: .16em;
}
.hero-meta-left { left: clamp(18px, 2.6vw, 46px); }
.hero-meta-right { right: clamp(18px, 2.6vw, 46px); text-align: right; }

.silver-orb {
  position: absolute;
  z-index: -2;
  width: min(49vw, 780px);
  aspect-ratio: 1;
  right: 2vw;
  top: 9vh;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 26%, rgba(255,255,255,.95) 0 4%, rgba(210,210,210,.85) 9%, rgba(80,80,80,.75) 28%, rgba(12,12,12,.98) 59%, #030303 72%),
    linear-gradient(120deg,#444,#fff 35%,#777 55%,#111 82%);
  box-shadow:
    -38px 18px 90px rgba(255,255,255,.08),
    22px 28px 120px rgba(0,0,0,.8);
  filter: contrast(1.1);
  transform: rotate(-10deg);
}

.silver-orb::before {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: inherit;
  border: 1px solid rgba(255,255,255,.2);
  box-shadow: inset 0 0 70px rgba(255,255,255,.05);
}

.silver-orb-secondary {
  width: min(17vw, 250px);
  right: 34vw;
  top: auto;
  bottom: 8vh;
  opacity: .44;
  filter: blur(.2px) contrast(1.1);
}

.poster-title {
  position: relative;
  z-index: 2;
  margin: 10vh 0 0;
  min-height: 67vh;
  pointer-events: none;
}

.poster-ai,
.poster-word { display: block; }

.poster-ai {
  position: absolute;
  left: -1.2vw;
  top: -2vh;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(220px, 38vw, 690px);
  font-weight: 400;
  line-height: .7;
  letter-spacing: -.105em;
  color: transparent;
  background: var(--silver);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 14px 24px rgba(0,0,0,.5));
}

.poster-word {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5vh;
  font-family: var(--display);
  font-stretch: condensed;
  font-size: clamp(68px, 13.5vw, 238px);
  font-weight: 900;
  line-height: .73;
  letter-spacing: -.075em;
  white-space: nowrap;
  text-transform: uppercase;
  color: var(--white);
}

.hero-statement {
  position: absolute;
  z-index: 5;
  top: 34vh;
  right: clamp(18px, 4.2vw, 72px);
  width: min(35vw, 520px);
}
.statement-kicker {
  margin: 0 0 14px;
  color: #999;
  font: 700 9px/1 var(--display);
  letter-spacing: .19em;
}
.statement-cn {
  margin: 0;
  font-family: var(--cn-art);
  font-size: clamp(32px, 4vw, 68px);
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.055em;
}
.statement-cn em {
  display: inline-block;
  margin-top: .14em;
  font-family: var(--serif);
  font-style: italic;
  color: transparent;
  background: var(--silver);
  -webkit-background-clip: text;
  background-clip: text;
}

.enter-index {
  position: absolute;
  z-index: 8;
  right: clamp(18px, 2.6vw, 46px);
  bottom: 30px;
  min-width: 164px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 30px;
  padding: 14px 0 11px;
  border: 0;
  border-top: 1px solid var(--white);
  background: transparent;
  color: var(--white);
  cursor: pointer;
  font: 700 10px/1 var(--display);
  letter-spacing: .15em;
}
.enter-index span:last-child { font-size: 18px; font-weight: 400; transition: transform .25s ease; }
.enter-index:hover span:last-child { transform: translateY(5px); }

.hero-rule {
  position: absolute;
  left: clamp(18px, 2.6vw, 46px);
  right: clamp(18px, 2.6vw, 46px);
  bottom: 0;
  height: 1px;
  background: var(--line);
}

.worlds {
  max-width: var(--max);
  margin: 0 auto;
  border-left: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.08);
}

.worlds-intro {
  min-height: 74svh;
  display: grid;
  grid-template-columns: 1fr minmax(280px, 38vw);
  grid-template-rows: auto 1fr;
  gap: 26px;
  padding: clamp(80px, 10vw, 160px) clamp(18px, 2.6vw, 46px) 60px;
  border-bottom: 1px solid var(--line);
}
.section-label {
  grid-column: 1 / -1;
  margin: 0;
  color: #999;
  font: 700 9px/1 var(--display);
  letter-spacing: .18em;
}
.worlds-intro h2 {
  margin: 0;
  align-self: end;
  font-family: var(--display);
  font-size: clamp(78px, 12.8vw, 228px);
  line-height: .72;
  letter-spacing: -.075em;
  font-weight: 900;
}
.worlds-intro h2 span { display: block; }
.silver-type {
  color: transparent;
  background: var(--silver);
  -webkit-background-clip: text;
  background-clip: text;
}
.worlds-note {
  margin: 0 0 1vw;
  align-self: end;
  font-family: var(--cn-art);
  font-size: clamp(18px, 2vw, 30px);
  line-height: 1.35;
  color: #aaa;
}

.world-list { width: 100%; }
.world-panel {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(75px, 10vw) 1fr minmax(260px, 30vw);
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--black);
  opacity: .72;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .7s cubic-bezier(.2,.75,.2,1);
}
.world-panel.is-visible { opacity: 1; transform: translateY(0); }

.world-number {
  grid-column: 1;
  grid-row: 1 / 4;
  padding: 26px 10px;
  border-right: 1px solid var(--line);
  color: #777;
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(56px, 7vw, 118px);
  line-height: .8;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}

.world-topline {
  grid-column: 2 / 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 62px;
  padding: 0 clamp(18px, 2.4vw, 38px);
  border-bottom: 1px solid var(--line);
  color: #9b9b98;
  font: 700 9px/1 var(--display);
  letter-spacing: .18em;
}
.world-status { color: var(--white); }

.world-media {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  min-height: 68svh;
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: #0c0c0c;
}
.world-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, transparent 70%, rgba(0,0,0,.58)),
    linear-gradient(90deg, rgba(255,255,255,.04), transparent 22% 78%, rgba(255,255,255,.03));
}
.world-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.08) brightness(.88);
  transform: scale(1.015);
  transition: transform 1.1s cubic-bezier(.2,.75,.2,1), filter .6s ease;
}
.world-panel:hover .world-media img { transform: scale(1.04); filter: grayscale(1) contrast(1.13) brightness(.98); }

.world-abstract {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 72% 24%, #ededed 0 2%, #9d9d9d 12%, transparent 26%),
    radial-gradient(ellipse at 20% 76%, #737373 0 7%, #181818 38%, transparent 62%),
    linear-gradient(145deg,#080808 0%,#2d2d2d 32%,#aaa 47%,#333 58%,#090909 100%);
}
.world-abstract::before,
.world-abstract::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
}
.world-abstract::before {
  width: 76%;
  height: 72%;
  left: -16%;
  bottom: -28%;
  background: radial-gradient(circle at 63% 27%,#d8d8d8,#555 18%,#151515 55%,#030303 74%);
}
.world-abstract::after {
  width: 54%;
  aspect-ratio: 1;
  right: -11%;
  top: -13%;
  border: 1px solid rgba(255,255,255,.32);
  box-shadow: inset 0 0 100px rgba(255,255,255,.06), 0 0 0 60px rgba(255,255,255,.012);
}

.world-copy {
  grid-column: 3;
  grid-row: 2;
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(24px, 3.4vw, 54px);
  background: linear-gradient(160deg,#131313,#080808 72%);
}
.world-english {
  margin: 0 0 18px;
  color: #8b8b88;
  font: 700 9px/1 var(--display);
  letter-spacing: .18em;
}
.world-title {
  margin: 0;
  font-family: var(--cn-art);
  font-size: clamp(42px, 5.4vw, 96px);
  font-weight: 400;
  line-height: .93;
  letter-spacing: -.065em;
}
.world-tagline {
  margin: 24px 0 0;
  max-width: 24ch;
  color: #aaa;
  font-family: var(--cn-art);
  font-size: clamp(18px, 1.6vw, 26px);
  line-height: 1.35;
}
.world-meta {
  margin: 34px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  color: #7f7f7c;
  font: 700 9px/1.4 var(--display);
  letter-spacing: .11em;
}
.world-action {
  margin-top: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 12px;
  border-top: 1px solid var(--white);
  font: 700 10px/1 var(--display);
  letter-spacing: .15em;
  transition: opacity .2s ease;
}
.world-action:hover { opacity: .64; }
.world-action.is-disabled { color: #666; border-color: #555; pointer-events: none; }
.world-action span:last-child { font-size: 20px; font-weight: 400; }

.world-poster-title {
  grid-column: 2 / 4;
  grid-row: 3;
  margin: 0;
  padding: 14px clamp(18px, 2.4vw, 38px) 6px;
  border-top: 1px solid var(--line);
  overflow: hidden;
  font-family: var(--display);
  font-size: clamp(64px, 11.7vw, 206px);
  font-weight: 900;
  line-height: .76;
  letter-spacing: -.072em;
  white-space: nowrap;
  text-transform: uppercase;
  color: transparent;
  background: var(--silver);
  -webkit-background-clip: text;
  background-clip: text;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  min-height: 260px;
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 28px;
  padding: 70px clamp(18px, 2.6vw, 46px) 34px;
  border-left: 1px solid rgba(255,255,255,.08);
  border-right: 1px solid rgba(255,255,255,.08);
  color: #949491;
}
.footer div { display: grid; gap: 7px; }
.footer strong { color: var(--white); font-family: var(--cn-art); font-size: 22px; font-weight: 400; }
.footer span, .footer a, .footer p { font: 700 9px/1.45 var(--display); letter-spacing: .15em; }
.footer p { margin: 0; }
.footer a { color: var(--white); }

@media (max-width: 1050px) {
  .silver-orb { width: 65vw; right: -10vw; top: 15vh; }
  .silver-orb-secondary { display: none; }
  .hero-statement { top: 40vh; width: 42vw; }
  .worlds-intro { grid-template-columns: 1fr; }
  .worlds-note { max-width: 28ch; }
  .world-panel { grid-template-columns: 72px minmax(0,1fr); }
  .world-topline { grid-column: 2; }
  .world-media { grid-column: 2; border-right: 0; min-height: 60svh; }
  .world-copy { grid-column: 2; grid-row: 3; border-top: 1px solid var(--line); }
  .world-poster-title { grid-column: 2; grid-row: 4; }
}

@media (max-width: 700px) {
  .topbar { height: 56px; }
  .brand { font-size: 14px; }
  .topnav { gap: 18px; font-size: 9px; }
  .hero { padding-top: 76px; min-height: 100svh; }
  .hero-meta { top: 76px; }
  .hero-meta-right { display: none; }
  .silver-orb { width: 92vw; right: -29vw; top: 20vh; opacity: .82; }
  .poster-title { margin-top: 13vh; min-height: 61vh; }
  .poster-ai { font-size: clamp(200px, 67vw, 390px); left: -6vw; top: 1vh; }
  .poster-word {
    bottom: 10vh;
    white-space: normal;
    max-width: 100%;
    font-size: clamp(54px, 17vw, 108px);
    line-height: .76;
  }
  .hero-statement { top: auto; right: 18px; left: 38%; bottom: 17vh; width: auto; }
  .statement-cn { font-size: clamp(28px, 8vw, 48px); }
  .enter-index { right: 18px; left: 18px; bottom: 25px; width: auto; }
  .worlds-intro { min-height: 66svh; padding-top: 90px; }
  .worlds-intro h2 { font-size: clamp(64px, 22vw, 122px); }
  .worlds-note { font-size: 17px; }
  .world-panel { min-height: auto; grid-template-columns: 44px minmax(0,1fr); }
  .world-number { padding: 20px 8px; font-size: 44px; }
  .world-topline { min-height: 52px; padding: 0 16px; }
  .world-media { min-height: 52svh; }
  .world-copy { padding: 30px 18px 38px; }
  .world-title { font-size: clamp(42px, 13vw, 72px); }
  .world-tagline { font-size: 18px; }
  .world-poster-title { padding-left: 16px; font-size: clamp(54px, 18vw, 106px); }
  .footer { grid-template-columns: 1fr auto; min-height: 220px; }
  .footer p { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .world-panel { opacity: 1; transform: none; }
}
