@font-face {
  font-family: "Primal Sans SC";
  src: url("assets/primal-sans-sc-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #08090a;
  --ink-soft: #101113;
  --paper: #f1efe8;
  --paper-deep: #dedbd1;
  --red: #d83a31;
  --red-deep: #b82622;
  --line-dark: rgba(241, 239, 232, 0.2);
  --line-light: rgba(8, 9, 10, 0.18);
  --serif: "Bodoni Moda", "Iowan Old Style", Baskerville, Georgia, serif;
  --sans: "Manrope", "Helvetica Neue", sans-serif;
  --mono: "DM Mono", monospace;
  --serif-zh: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", STSong, serif;
  --display-zh: "Primal Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --sans-zh: "PingFang SC", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  --page-gutter: clamp(1.25rem, 3.4vw, 4rem);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--ink);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--paper);
  background: var(--ink);
  font: 400 16px/1.5 var(--sans);
}

body.menu-open {
  overflow: hidden;
}

::selection {
  color: var(--paper);
  background: var(--red);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  color: inherit;
  font: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: 5.75rem;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--page-gutter);
  border-bottom: 1px solid transparent;
  transition: height 300ms ease, background 300ms ease, border-color 300ms ease;
}

.site-header.is-scrolled {
  height: 4.5rem;
  border-color: var(--line-dark);
  background: rgba(8, 9, 10, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--sans);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.brand-index {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid rgba(241, 239, 232, 0.55);
  font: 500 0.65rem/1 var(--mono);
  letter-spacing: 0.05em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.desktop-nav {
  display: flex;
  height: 2.75rem;
  align-items: center;
  gap: 0;
  overflow: hidden;
  border: 1px solid rgba(241, 239, 232, 0.26);
  background: rgba(8, 9, 10, 0.42);
  backdrop-filter: blur(14px);
  font: 400 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.desktop-nav > a {
  display: inline-flex;
  height: 100%;
  align-items: center;
  padding: 0 1.05rem;
  transition: color 200ms ease, background 200ms ease;
}

.desktop-nav > a + a {
  border-left: 1px solid rgba(241, 239, 232, 0.18);
}

.desktop-nav > a:hover {
  background: rgba(241, 239, 232, 0.08);
}

.nav-cta {
  gap: 0.75rem;
  color: var(--paper);
  background: rgba(216, 58, 49, 0.08);
}

.nav-cta:hover {
  color: var(--paper);
  background: rgba(216, 58, 49, 0.2) !important;
}

.nav-status-dot {
  width: 0.38rem;
  height: 0.38rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #f04b42;
  box-shadow: 0 0 0 0 rgba(240, 75, 66, 0.45);
  transition: box-shadow 220ms ease, transform 220ms ease;
}

.nav-cta:hover .nav-status-dot {
  box-shadow: 0 0 0 0.25rem rgba(240, 75, 66, 0.14);
  transform: scale(1.08);
}

.language-switch {
  height: 2.75rem;
  min-width: 3.25rem;
  padding: 0 0.85rem;
  border: 1px solid rgba(241, 239, 232, 0.26);
  color: inherit;
  background: rgba(8, 9, 10, 0.42);
  backdrop-filter: blur(14px);
  font: 400 0.7rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-align: center;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}

.language-switch:hover,
.language-switch:focus-visible {
  border-color: rgba(241, 239, 232, 0.48);
  color: var(--paper);
  background: rgba(241, 239, 232, 0.08);
  outline: 0;
}

.menu-button,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  display: grid;
  min-height: max(49rem, 100svh);
  overflow: hidden;
  align-items: end;
  padding: 8rem var(--page-gutter) 3.2rem;
  background: #050607;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  z-index: -3;
  inset: 0;
  margin: 0;
  overflow: hidden;
  background: #050607;
}

.hero-media::before,
.hero-media::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  content: "";
}

.hero-media::before {
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.7) 0%, rgba(5, 6, 7, 0.18) 48%, rgba(5, 6, 7, 0.04) 75%),
    linear-gradient(0deg, rgba(5, 6, 7, 0.85) 0%, transparent 42%);
}

.hero-media::after {
  opacity: 0.2;
  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='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.26'/%3E%3C/svg%3E");
  mix-blend-mode: soft-light;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% center;
  animation: hero-drift 16s ease-in-out infinite alternate;
}

.hero-media picture {
  display: block;
  width: 100%;
  height: 100%;
}

@keyframes hero-drift {
  from { transform: scale(1.015); }
  to { transform: scale(1.07) translate3d(-0.8%, -0.4%, 0); }
}

.hero-frame {
  position: absolute;
  z-index: 1;
  inset: 6.8rem var(--page-gutter) 2rem;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(241, 239, 232, 0.22);
  color: rgba(241, 239, 232, 0.56);
  font: 400 0.75rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(76rem, 88vw);
  padding-left: clamp(0.25rem, 1.8vw, 2rem);
}

.eyebrow {
  display: flex;
  width: min(42rem, 62vw);
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin: 0 0 clamp(2.8rem, 8vh, 5.5rem);
  font: 500 clamp(0.95rem, 1.05vw, 1.1rem)/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow span:last-child {
  color: rgba(241, 239, 232, 0.54);
}

.eyebrow span:last-child:empty {
  display: none;
}

.hero-title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.6rem, 5.9vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 0.75;
}

.title-line {
  display: block;
}

.title-line:empty {
  display: none;
}

.title-line-indent {
  padding-left: clamp(1.5rem, 6vw, 6rem);
}

.hero-title em {
  color: #f14a40;
  font-weight: 400;
}

.hero-bottom {
  display: grid;
  width: min(48rem, 66vw);
  grid-template-columns: minmax(18rem, 1fr) auto;
  align-items: end;
  gap: 4rem;
  margin-top: clamp(2.8rem, 5vh, 4.5rem);
  margin-left: clamp(0rem, 17vw, 15rem);
}

.hero-bottom > p {
  max-width: 30rem;
  margin: 0;
  color: rgba(241, 239, 232, 0.73);
  font-size: clamp(1rem, 1.15vw, 1.12rem);
  line-height: 1.75;
}

.text-link {
  display: flex;
  min-width: 13rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(241, 239, 232, 0.65);
  font: 400 0.74rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: color 220ms ease, border-color 220ms ease;
}

.text-link svg {
  width: 2.7rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  transition: transform 220ms ease;
}

.text-link:hover {
  border-color: #ff665c;
  color: #ff665c;
}

.text-link:hover svg {
  transform: translateX(0.35rem);
}

.frame-scrub {
  position: absolute;
  z-index: 2;
  right: calc(var(--page-gutter) + 1rem);
  bottom: 3.1rem;
  display: grid;
  width: min(18rem, 21vw);
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.75rem;
  color: rgba(241, 239, 232, 0.5);
  font: 400 0.72rem/1 var(--mono);
  letter-spacing: 0.08em;
}

.frame-scrub i {
  position: relative;
  height: 1px;
  overflow: hidden;
  background: rgba(241, 239, 232, 0.25);
}

.frame-scrub b {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -35%;
  width: 35%;
  background: var(--paper);
  animation: scrub 4.8s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

@keyframes scrub {
  0% { transform: translateX(0); }
  75%, 100% { transform: translateX(385%); }
}

.section-index {
  display: grid;
  grid-template-columns: clamp(4rem, 10vw, 9rem) 1fr;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-light);
  font: 400 0.78rem/1.4 var(--mono);
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.section-index-dark {
  border-color: var(--line-dark);
}

.partner-section {
  padding: clamp(6rem, 10vw, 10rem) var(--page-gutter);
  border-top: 1px solid var(--line-dark);
  color: var(--paper);
  background: var(--ink-soft);
}

.partner-layout {
  display: grid;
  grid-template-columns: minmax(25rem, 1.65fr) minmax(17rem, 0.55fr);
  align-items: end;
  gap: clamp(4rem, 9vw, 11rem);
  padding: clamp(5rem, 9vw, 9rem) 0 clamp(6rem, 9vw, 9rem);
}

.partner-kicker {
  margin: 0 0 3rem;
  color: #ff5a50;
  font: 400 0.78rem/1.4 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.partner-copy h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3rem, 4.7vw, 5rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.91;
}

.partner-copy h2 em {
  color: #ff5a50;
  font-weight: 400;
}

.partner-aside > p {
  margin: 0 0 3rem;
  color: rgba(241, 239, 232, 0.64);
  font-size: 1.05rem;
  line-height: 1.85;
}

.partner-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.1rem 0;
  border-top: 1px solid rgba(241, 239, 232, 0.5);
  border-bottom: 1px solid rgba(241, 239, 232, 0.18);
  font: 400 0.75rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 220ms ease, padding 220ms ease;
}

.partner-link:hover {
  padding-right: 0.5rem;
  color: #ff665c;
}

.partner-ledger {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.partner-ledger span {
  position: relative;
  padding: 1.5rem 0.75rem 1.5rem 2rem;
  border-right: 1px solid var(--line-dark);
  color: rgba(241, 239, 232, 0.67);
  font: 400 0.82rem/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.partner-ledger span::before {
  position: absolute;
  top: 50%;
  left: 0.65rem;
  width: 0.32rem;
  height: 0.32rem;
  border-radius: 50%;
  background: var(--red);
  content: "";
  transform: translateY(-50%);
}

.partner-ledger span:last-child {
  border-right: 0;
}

.threshold {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  padding: clamp(6rem, 10vw, 10rem) var(--page-gutter) clamp(4rem, 6vw, 6rem);
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 18%, rgba(173, 51, 42, 0.2), transparent 34%),
    linear-gradient(135deg, #090a0b 0%, #111112 58%, #26100f 100%);
  isolation: isolate;
}

.threshold::before {
  position: absolute;
  z-index: -2;
  right: -8vw;
  bottom: -12vw;
  color: rgba(241, 239, 232, 0.035);
  content: "PLAY";
  font: 400 clamp(13rem, 33vw, 36rem)/0.7 var(--serif);
  letter-spacing: -0.1em;
  pointer-events: none;
}

.threshold-noise {
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: 0.18;
  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='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.34'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.threshold .section-index {
  border-color: rgba(241, 239, 232, 0.2);
}

.threshold-content {
  display: grid;
  min-height: calc(100vh - 15rem);
  align-content: center;
  padding-top: 6rem;
}

.status-pill {
  display: inline-flex;
  width: max-content;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 3rem;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(241, 239, 232, 0.38);
  border-radius: 999px;
  font: 400 0.78rem/1 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.status-pill > span:first-child {
  width: 0.4rem;
  height: 0.4rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--red);
  animation: pulse-dark 2.4s infinite;
}

@keyframes pulse-dark {
  75% { box-shadow: 0 0 0 0.45rem rgba(8, 9, 10, 0); }
}

.threshold h2 {
  max-width: 78rem;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(3.6rem, 6.3vw, 6.5rem);
  font-weight: 400;
  letter-spacing: -0.07em;
  line-height: 0.79;
}

.threshold h2 em {
  font-weight: 400;
}

.threshold-bottom {
  display: grid;
  grid-template-columns: minmax(16rem, 30rem) auto;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
  margin-top: clamp(4rem, 7vw, 7rem);
  margin-left: clamp(0rem, 24vw, 22rem);
}

.threshold-bottom p {
  margin: 0;
  color: rgba(241, 239, 232, 0.67);
  font-size: 1.05rem;
  line-height: 1.8;
}

.light-button {
  display: flex;
  width: min(23rem, 100%);
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.25rem 1.4rem;
  color: var(--ink);
  background: var(--paper);
  font: 400 0.75rem/1 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: color 220ms ease, background 220ms ease, transform 220ms ease;
}

.light-button:hover {
  color: var(--paper);
  background: var(--red);
  transform: translateY(-0.25rem);
}

.threshold-bottom.has-no-copy {
  grid-template-columns: minmax(13rem, 23rem);
  justify-content: start;
  margin-left: 0;
}

.contact-dialog {
  width: min(58rem, 100%);
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0 0 0 auto;
  padding: 0;
  overflow: hidden;
  border: 0;
  color: var(--ink);
  background: var(--paper);
  animation: dialog-enter 480ms cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-dialog::backdrop {
  background: rgba(8, 9, 10, 0.78);
  backdrop-filter: blur(9px);
  animation: backdrop-enter 360ms ease;
}

@keyframes dialog-enter {
  from { opacity: 0; transform: translateX(5rem); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes backdrop-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

.dialog-shell {
  min-height: 100%;
  padding: clamp(1.4rem, 3.6vw, 3.5rem) clamp(1.4rem, 5vw, 5rem) 3rem;
  overflow-y: auto;
}

.dialog-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-light);
  font: 400 0.7rem/1 var(--mono);
  letter-spacing: 0.12em;
}

.dialog-close {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.dialog-close span {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.5rem;
  height: 1px;
  background: currentColor;
}

.dialog-close span:first-child { transform: translate(-50%, -50%) rotate(45deg); }
.dialog-close span:last-child { transform: translate(-50%, -50%) rotate(-45deg); }

.dialog-intro {
  display: grid;
  grid-template-columns: 1fr minmax(15rem, 0.55fr);
  gap: 1.5rem 4rem;
  align-items: end;
  padding: clamp(3.5rem, 8vh, 6rem) 0 clamp(3rem, 6vh, 5rem);
}

.dialog-kicker {
  grid-column: 1 / -1;
  margin: 0;
  color: var(--red);
  font: 400 0.76rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dialog-intro h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 4vw, 4.25rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.dialog-intro > p:last-child {
  margin: 0 0 0.4rem;
  color: rgba(8, 9, 10, 0.62);
  font-size: 1rem;
  line-height: 1.75;
}

.contact-form {
  border-top: 1px solid var(--line-light);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--line-light);
}

.form-field {
  display: grid;
  gap: 0.7rem;
  padding: 1.65rem 0;
  border-bottom: 1px solid var(--line-light);
}

.form-row .form-field {
  border-bottom: 0;
}

.form-row .form-field:first-child {
  padding-right: 1.5rem;
  border-right: 1px solid var(--line-light);
}

.form-row .form-field:last-child {
  padding-left: 1.5rem;
}

.form-field label {
  font: 600 0.9rem/1 var(--sans);
  letter-spacing: 0.02em;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 0;
  outline: 0;
  color: var(--ink);
  background: transparent;
  font: 400 1.08rem/1.5 var(--sans);
}

.form-field select {
  cursor: pointer;
}

.form-field textarea {
  min-height: 6.5rem;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  box-shadow: 0 2px 0 var(--red);
}

.form-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.form-submit-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 2rem;
  padding-top: 1.5rem;
}

.form-submit-row > p {
  max-width: 28rem;
  margin: 0;
  color: rgba(8, 9, 10, 0.52);
  font-size: 0.82rem;
  line-height: 1.6;
}

.form-submit {
  display: flex;
  min-width: 13.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.1rem 1.2rem;
  border: 0;
  color: var(--paper);
  background: var(--ink);
  font: 400 0.74rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease;
}

.form-submit:hover:not(:disabled) {
  color: var(--paper);
  background: var(--red);
}

.form-submit:disabled {
  cursor: wait;
  opacity: 0.55;
}

.form-status {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: #922d27;
  font-size: 0.9rem;
}

.form-success {
  padding: clamp(5rem, 12vh, 9rem) 0;
  border-top: 1px solid var(--line-light);
}

.form-success > span {
  display: grid;
  width: 3.2rem;
  height: 3.2rem;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.form-success h3 {
  margin: 3rem 0 1rem;
  font-family: var(--serif);
  font-size: clamp(3.5rem, 6vw, 6rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 1;
}

.form-success p {
  max-width: 30rem;
  margin: 0;
  color: rgba(8, 9, 10, 0.62);
  line-height: 1.75;
}

.form-success button {
  margin-top: 3rem;
  padding: 0.8rem 2.5rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  font: 400 0.74rem/1 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.site-footer {
  padding: 5rem var(--page-gutter) 1.75rem;
  background: var(--ink);
}

.footer-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 3rem;
  padding-bottom: 5rem;
}

.brand-footer {
  font-family: var(--serif);
  font-size: clamp(2rem, 3vw, 3.2rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  text-transform: none;
}

.brand-footer .brand-index {
  width: clamp(2.7rem, 3.5vw, 4rem);
  height: clamp(2.7rem, 3.5vw, 4rem);
}

.footer-top > p {
  margin: 1rem 0 0;
  color: rgba(241, 239, 232, 0.42);
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line-dark);
  color: rgba(241, 239, 232, 0.48);
  font: 400 0.72rem/1.5 var(--mono);
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.footer-bottom p {
  margin: 0;
}

.footer-bottom a {
  justify-self: center;
  transition: color 200ms ease;
}

.footer-bottom a:hover { color: var(--paper); }
.footer-bottom p:last-child { justify-self: end; }

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  animation: reveal-in 1s var(--delay) cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.reveal-delay-1 { --delay: 80ms; }
.reveal-delay-2 { --delay: 160ms; }
.reveal-delay-3 { --delay: 240ms; }
.reveal-delay-4 { --delay: 320ms; }
.reveal-delay-5 { --delay: 420ms; }

@keyframes reveal-in {
  to { opacity: 1; transform: translateY(0); }
}

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(2.5rem);
  transition: opacity 850ms cubic-bezier(0.16, 1, 0.3, 1), transform 850ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

html[lang="zh"] body {
  font-family: var(--sans-zh);
}

html[lang="zh"] .hero-title,
html[lang="zh"] .partner-copy h2,
html[lang="zh"] .threshold h2,
html[lang="zh"] .dialog-intro h2,
html[lang="zh"] .form-success h3,
html[lang="zh"] .mobile-menu nav a,
html[lang="zh"] .footer-top > p {
  font-family: var(--display-zh);
  font-style: normal;
  font-weight: 500;
  letter-spacing: -0.055em;
}

html[lang="zh"] .hero-title {
  font-size: clamp(3.4rem, 4.7vw, 5rem);
  font-weight: 500;
  line-height: 1;
}

html[lang="zh"] .hero-title em,
html[lang="zh"] .partner-copy h2 em,
html[lang="zh"] .threshold h2 em {
  font-style: normal;
}

html[lang="zh"] .partner-copy h2,
html[lang="zh"] .threshold h2,
html[lang="zh"] .dialog-intro h2,
html[lang="zh"] .form-success h3 {
  line-height: 1.06;
}

html[lang="zh"] .form-field input,
html[lang="zh"] .form-field select,
html[lang="zh"] .form-field textarea {
  font-family: var(--sans-zh);
}

html[lang="zh"] .hero-bottom > p,
html[lang="zh"] .partner-aside > p,
html[lang="zh"] .threshold-bottom p {
  line-height: 1.9;
}

html[lang="zh"] .section-index,
html[lang="zh"] .status-pill,
html[lang="zh"] .mobile-menu > p {
  letter-spacing: 0.08em;
}

/* The Chinese site shares the cinematic system, with its own type rhythm. */
html[lang="zh"] .hero {
  padding: 8rem var(--page-gutter) 3.2rem;
}

html[lang="zh"] .hero-media {
  left: 0;
  width: 100%;
}

html[lang="zh"] .hero-media::before {
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.76) 0%, rgba(5, 6, 7, 0.2) 48%, rgba(5, 6, 7, 0.04) 75%),
    linear-gradient(0deg, rgba(5, 6, 7, 0.88) 0%, transparent 44%);
}

html[lang="zh"] .hero-media img {
  object-position: 52% center;
}

html[lang="zh"] .hero-frame {
  left: var(--page-gutter);
}

html[lang="zh"] .hero-copy {
  width: min(68rem, 88vw);
  padding-left: clamp(0.25rem, 1.8vw, 2rem);
}

html[lang="zh"] .eyebrow {
  width: max-content;
  max-width: none;
  flex-direction: row;
  align-items: center;
  justify-content: flex-start;
  gap: clamp(2.5rem, 4vw, 3.75rem);
  margin-bottom: clamp(2.8rem, 7vh, 5rem);
  font-family: var(--display-zh);
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: none;
}

html[lang="zh"] .eyebrow span:first-child {
  font-size: 1rem;
}

html[lang="zh"] .eyebrow span:last-child {
  color: #ff5a50;
}

html[lang="zh"] .eyebrow span:last-child:empty {
  display: none;
}

html[lang="zh"] .hero-title {
  font-size: clamp(3.4rem, 4.7vw, 5rem);
  letter-spacing: -0.075em;
  line-height: 1;
}

html[lang="zh"] .title-line-indent {
  padding-left: clamp(1.5rem, 5vw, 5rem);
  color: #ff5148;
}

html[lang="zh"] .hero-bottom {
  width: min(44rem, 68vw);
  max-width: none;
  grid-template-columns: minmax(18rem, 1fr) auto;
  gap: 3rem;
  margin-top: clamp(2.5rem, 5vh, 4rem);
  margin-left: clamp(0rem, 14vw, 12rem);
}

html[lang="zh"] .hero-bottom > p {
  color: rgba(241, 239, 232, 0.72);
  font-size: 1rem;
}

html[lang="zh"] .text-link {
  width: auto;
  min-width: 13rem;
  padding: 0 0 0.65rem;
  border: 0;
  border-bottom: 1px solid rgba(241, 239, 232, 0.65);
  color: var(--paper);
  background: transparent;
}

html[lang="zh"] .text-link:hover {
  border-color: #ff665c;
  color: #ff665c;
  background: transparent;
}

html[lang="zh"] .frame-scrub {
  width: min(18rem, 21vw);
}

html[lang="zh"] .partner-section {
  border-color: var(--line-dark);
  color: var(--paper);
  background: var(--ink-soft);
}

html[lang="zh"] .section-index-dark,
html[lang="zh"] .partner-ledger,
html[lang="zh"] .partner-ledger span {
  border-color: var(--line-dark);
}

html[lang="zh"] .partner-copy h2 {
  font-size: clamp(3rem, 4.5vw, 4.75rem);
  color: var(--paper);
}

html[lang="zh"] .partner-copy h2 em,
html[lang="zh"] .partner-kicker,
html[lang="zh"] .partner-link:hover {
  color: var(--red);
}

html[lang="zh"] .partner-aside > p,
html[lang="zh"] .partner-ledger span {
  color: rgba(241, 239, 232, 0.67);
}

html[lang="zh"] .partner-link {
  border-color: rgba(241, 239, 232, 0.28);
}

html[lang="zh"] .partner-ledger span {
  display: flex;
  min-height: 6rem;
  align-items: center;
}

html[lang="zh"] .threshold {
  color: var(--paper);
  background:
    radial-gradient(circle at 84% 18%, rgba(173, 51, 42, 0.2), transparent 34%),
    linear-gradient(135deg, #090a0b 0%, #111112 58%, #26100f 100%);
}

html[lang="zh"] .threshold::before {
  top: auto;
  right: -8vw;
  bottom: -12vw;
  width: auto;
  height: auto;
  color: rgba(241, 239, 232, 0.035);
  background: none;
  clip-path: none;
  content: "PLAY";
  font: 400 clamp(13rem, 33vw, 36rem)/0.7 var(--serif);
  letter-spacing: -0.1em;
}

html[lang="zh"] .threshold .section-index {
  border-color: rgba(241, 239, 232, 0.2);
}

html[lang="zh"] .status-pill {
  border-color: rgba(241, 239, 232, 0.38);
}

html[lang="zh"] .status-pill > span:first-child {
  background: var(--red);
}

html[lang="zh"] .threshold h2,
html[lang="zh"] .threshold h2 em {
  color: var(--paper);
}

html[lang="zh"] .threshold h2 {
  font-size: clamp(3.2rem, 5.2vw, 5.25rem);
}

html[lang="zh"] .threshold-bottom p {
  color: rgba(241, 239, 232, 0.67);
}

html[lang="zh"] .light-button {
  color: var(--ink);
  background: var(--paper);
}

html[lang="zh"] .light-button:hover {
  color: var(--paper);
  background: var(--red);
}

html[lang="zh"] .dialog-intro h2,
html[lang="zh"] .form-success h3 {
  font-size: clamp(2.65rem, 3.8vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.055em;
}

@media (max-width: 1050px) {
  .hero-copy { width: 92%; }
  .hero-bottom { width: 69vw; margin-left: 7vw; }
  .frame-scrub { display: none; }

  .partner-layout {
    grid-template-columns: 1fr;
  }

  .partner-aside {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: end;
    gap: 3rem;
  }

  .partner-aside > p { margin: 0; }
  .threshold-bottom { margin-left: 10vw; }
}

@media (max-width: 1050px) and (min-width: 661px) {
  html[lang="zh"] .hero-copy { width: 88%; }
  html[lang="zh"] .hero-title { font-size: clamp(3.2rem, 5.8vw, 4.5rem); }
  html[lang="zh"] .hero-bottom { width: 69vw; margin-left: 7vw; }
}

@media (max-width: 900px) {
  .desktop-nav { display: none; }
  .header-actions { gap: 0.5rem; }
  .language-switch {
    z-index: 2;
    height: 2.75rem;
    min-width: 3rem;
    padding: 0 0.7rem;
  }

  .menu-button {
    position: relative;
    z-index: 2;
    display: block;
    width: 2.8rem;
    height: 2.8rem;
    padding: 0;
    border: 1px solid rgba(241, 239, 232, 0.26);
    background: rgba(8, 9, 10, 0.42);
    backdrop-filter: blur(14px);
    cursor: pointer;
  }

  .menu-button span {
    position: absolute;
    right: 0.55rem;
    width: 1.7rem;
    height: 1px;
    background: currentColor;
    transition: transform 250ms ease, top 250ms ease;
  }

  .menu-button span:first-child { top: 1.15rem; }
  .menu-button span:last-child { top: 1.68rem; width: 1.1rem; }
  .menu-button[aria-expanded="true"] span:first-child { top: 1.4rem; transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] span:last-child { top: 1.4rem; width: 1.7rem; transform: rotate(-45deg); }

  .mobile-menu {
    position: fixed;
    z-index: 90;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 9rem var(--page-gutter) 3rem;
    color: var(--ink);
    background: var(--red);
    clip-path: inset(0 0 100% 0);
    pointer-events: none;
    transition: clip-path 500ms cubic-bezier(0.76, 0, 0.24, 1);
  }

  .mobile-menu.is-open {
    clip-path: inset(0 0 0 0);
    pointer-events: auto;
  }

  .mobile-menu nav { display: grid; }

  .mobile-menu nav a {
    padding: 0.7rem 0;
    border-bottom: 1px solid rgba(8, 9, 10, 0.28);
    font-family: var(--serif);
    font-size: clamp(2rem, 8vw, 3.2rem);
    line-height: 1;
  }

  .mobile-menu > p {
    margin: 0;
    font: 400 0.64rem/1.7 var(--mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .site-header.menu-active { color: var(--ink); }
  .site-header.menu-active .brand-index,
  .site-header.menu-active .language-switch,
  .site-header.menu-active .menu-button {
    border-color: rgba(8, 9, 10, 0.42);
    background: transparent;
  }

  .hero-frame { inset: 6.5rem var(--page-gutter) 1.5rem; }
  .eyebrow { width: 76vw; }
  .hero-bottom { width: 76vw; grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 660px) {
  .site-header { height: 4.75rem; }
  .brand { font-size: 0.72rem; }
  .brand-index { width: 1.75rem; height: 1.75rem; }

  .hero {
    min-height: 100svh;
    padding-top: 6.5rem;
    padding-bottom: 2.5rem;
  }

  .hero-media img { object-position: 70% center; }
  .hero-media::before {
    background:
      linear-gradient(90deg, rgba(5, 6, 7, 0.47), transparent 85%),
      linear-gradient(0deg, rgba(5, 6, 7, 0.95) 0%, rgba(5, 6, 7, 0.4) 50%, transparent 80%);
  }

  .hero-frame {
    inset: 5.65rem var(--page-gutter) 1.2rem;
    padding: 0.7rem;
    font-size: 0.62rem;
  }

  .hero-copy { width: 100%; padding: 0 0.8rem; }
  .eyebrow {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.55rem;
    margin-bottom: clamp(7rem, 19vh, 10rem);
    font-size: 0.9rem;
  }
  .hero-title { font-size: clamp(3rem, 13vw, 4.4rem); line-height: 0.84; }
  html[lang="zh"] .hero-title { font-size: clamp(3rem, 12.5vw, 4.1rem); line-height: 1.02; }
  .title-line-indent { padding-left: 0.65rem; }
  html[lang="zh"] .title-line-indent { padding-left: 2.1rem; }
  .hero-bottom { width: 100%; margin: 3rem 0 0; }
  .hero-bottom > p { max-width: 22rem; font-size: 0.92rem; }
  .text-link { width: 13rem; }

  .section-index { grid-template-columns: 3rem 1fr; }
  .partner-section { padding-top: 6.5rem; padding-bottom: 6.5rem; }
  .partner-layout { padding-top: 4rem; padding-bottom: 5rem; }
  .partner-copy h2 { font-size: clamp(2.7rem, 11.5vw, 4rem); }
  html[lang="zh"] .partner-copy h2 { font-size: clamp(2.6rem, 10.8vw, 3.8rem); }
  .partner-aside { grid-template-columns: 1fr; gap: 2.5rem; }
  .partner-ledger { grid-template-columns: 1fr 1fr; }
  .partner-ledger span:nth-child(2),
  .partner-ledger span:nth-child(4) { border-right: 0; }
  .partner-ledger span:nth-child(-n + 2) { border-bottom: 1px solid var(--line-dark); }

  .threshold { min-height: auto; padding-top: 6.5rem; padding-bottom: 5rem; }
  .threshold-content { min-height: auto; padding-top: 8rem; }
  .threshold h2 { font-size: clamp(3.1rem, 13vw, 4.6rem); line-height: 0.86; }
  html[lang="zh"] .threshold h2 { font-size: clamp(2.9rem, 12vw, 4.1rem); line-height: 1.08; }
  .threshold-bottom { grid-template-columns: 1fr; margin: 4rem 0 0; }
  .light-button { width: 100%; }

  .contact-dialog { width: 100%; }
  .dialog-intro { grid-template-columns: 1fr; gap: 1.5rem; padding-top: 3rem; padding-bottom: 3rem; }
  .dialog-intro h2 { font-size: clamp(2.45rem, 10.5vw, 3.6rem); }
  .form-row { grid-template-columns: 1fr; border-bottom: 0; }
  .form-row .form-field { border-bottom: 1px solid var(--line-light); }
  .form-row .form-field:first-child { padding-right: 0; border-right: 0; }
  .form-row .form-field:last-child { padding-left: 0; }
  .form-submit-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; }

  .footer-top { display: grid; padding-bottom: 4rem; }
  .brand-footer { font-size: 2rem; }
  .footer-bottom { grid-template-columns: 1fr; gap: 1rem; }
  .footer-bottom a,
  .footer-bottom p:last-child { justify-self: start; }
}

@media (max-width: 660px) {
  html[lang="zh"] .hero {
    padding-top: 6.5rem;
    padding-bottom: 2.5rem;
  }

  html[lang="zh"] .hero-media {
    left: 0;
    width: 100%;
  }

  html[lang="zh"] .hero-media::before {
    background:
      linear-gradient(90deg, rgba(5, 6, 7, 0.5), transparent 82%),
      linear-gradient(0deg, rgba(5, 6, 7, 0.96) 0%, rgba(5, 6, 7, 0.48) 56%, transparent 82%);
  }

  html[lang="zh"] .hero-media img { object-position: 70% center; }
  html[lang="zh"] .hero-frame { left: var(--page-gutter); }
  html[lang="zh"] .hero-copy { width: 100%; padding: 0 0.8rem; }

  html[lang="zh"] .eyebrow {
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0.25rem;
    margin-bottom: clamp(3.5rem, 8vh, 4.75rem);
    font-size: 0.92rem;
  }

  html[lang="zh"] .eyebrow span:first-child { font-size: 1.05rem; }

  html[lang="zh"] .hero-title {
    font-size: clamp(3rem, 12.5vw, 4.1rem);
    line-height: 1.02;
  }

  html[lang="zh"] .title-line-indent { padding-left: 1.4rem; }
  html[lang="zh"] .hero-bottom {
    width: 100%;
    max-width: 100%;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin: 2.5rem 0 0;
  }
  html[lang="zh"] .text-link { width: 13rem; }
  html[lang="zh"] .partner-ledger span { min-height: 5.3rem; }
  html[lang="zh"] .threshold::before {
    right: -7rem;
    bottom: -2rem;
    width: auto;
    opacity: 1;
    font-size: 13rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
  }
}