@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap");

:root {
  --ink: #101626;
  --navy: #10182c;
  --night: #0a1020;
  --paper: #f4f1e9;
  --white: #fffdf8;
  --cyan: #4fdcff;
  --violet: #7c5cff;
  --orange: #ff8a3d;
  --muted: #6d7180;
  --max: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 8% 5%, rgba(79, 220, 255, .12), transparent 25rem),
    var(--paper);
  color: var(--ink);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

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

button {
  font: inherit;
}

.header {
  width: min(calc(100% - 44px), var(--max));
  min-height: 88px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 30;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.04em;
}

.brand img,
.footer-brand img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 31px;
  color: #4f5360;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  transition: color .2s ease, transform .2s ease;
}

.nav a:hover {
  color: var(--violet);
  transform: translateY(-2px);
}

.header-download,
.primary-download,
.install-download,
.final-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--white);
  background: var(--ink);
  border-radius: 999px;
  font-weight: 900;
  transition: transform .2s ease, box-shadow .2s ease;
}

.header-download {
  min-height: 46px;
  padding: 0 23px;
  font-size: 14px;
}

.header-download:hover,
.primary-download:hover,
.install-download:hover,
.final-cta a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(16, 22, 38, .18);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  font-size: 20px;
  cursor: pointer;
}

.hero {
  width: min(calc(100% - 44px), 1440px);
  min-height: 735px;
  margin: 22px auto 85px;
  display: grid;
  grid-template-columns: .83fr 1.17fr;
  align-items: center;
  gap: 55px;
  position: relative;
}

.hero-copy {
  padding-left: clamp(0px, 4vw, 80px);
  position: relative;
  z-index: 3;
}

.hero-kicker,
.section-kicker {
  margin: 0 0 21px;
  color: var(--violet);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.section-kicker.light {
  color: var(--cyan);
}

.hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(62px, 7vw, 104px);
  line-height: .94;
  letter-spacing: -.078em;
  font-weight: 900;
}

.hero h1 span {
  color: var(--violet);
}

.hero-text {
  max-width: 620px;
  margin: 33px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.95;
}

.hero-actions {
  margin-top: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
}

.primary-download {
  min-height: 60px;
  padding: 0 32px;
  background: var(--violet);
  font-size: 16px;
}

.install-link {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 15px;
  font-weight: 900;
}

.install-link i {
  transition: transform .2s ease;
}

.install-link:hover i {
  transform: translateX(5px);
}

.hero-meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 15px 23px;
  color: #737784;
  font-size: 13px;
}

.hero-visual {
  min-height: 650px;
  margin: 0;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 92%;
  aspect-ratio: 1.15;
  background:
    radial-gradient(circle at 28% 24%, rgba(79, 220, 255, .5), transparent 23rem),
    linear-gradient(135deg, var(--night), #1e2752);
  clip-path: polygon(9% 0, 91% 5%, 100% 30%, 94% 91%, 63% 100%, 2% 86%, 0 27%);
}

.hero-visual::after {
  content: "";
  position: absolute;
  width: 210px;
  height: 210px;
  right: 3%;
  top: 3%;
  background: var(--orange);
  border-radius: 50%;
  opacity: .9;
}

.hero-visual img {
  width: min(94%, 830px);
  max-height: 610px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 38px 42px rgba(7, 12, 30, .35));
}

.pc-mark {
  position: absolute;
  left: 5%;
  bottom: 7%;
  z-index: 3;
  color: var(--cyan);
  font-size: clamp(100px, 14vw, 205px);
  line-height: .75;
  font-weight: 900;
  letter-spacing: -.08em;
  opacity: .92;
}

.pc-download,
.pc-scenes,
.release,
.trust,
.multidevice,
.faq {
  width: min(calc(100% - 44px), var(--max));
  margin-left: auto;
  margin-right: auto;
}

.pc-download {
  padding: 95px 0 135px;
}

.pc-download-heading {
  max-width: 800px;
}

.pc-download-heading h2,
.experience-copy h2,
.scene-copy h2,
.release-title h2,
.trust-copy h2,
.multidevice h2,
.install-heading h2,
.faq-heading h2 {
  margin: 0;
  font-size: clamp(44px, 5.3vw, 76px);
  line-height: 1.07;
  letter-spacing: -.064em;
  font-weight: 900;
}

.pc-download-heading > p:last-child,
.experience-copy > p,
.release-title > p:last-child,
.trust-copy > p:last-child,
.multidevice > div > p {
  max-width: 740px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.pc-download-main {
  margin-top: 82px;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 100px;
  align-items: end;
}

.pc-release-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.pc-release-copy > span {
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .15em;
}

.pc-release-copy > strong {
  margin: 8px 0 12px;
  color: var(--violet);
  font-size: clamp(120px, 18vw, 240px);
  line-height: .74;
  letter-spacing: -.1em;
}

.pc-release-copy > p {
  max-width: 620px;
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.pc-release-copy > a {
  min-height: 60px;
  margin-top: 33px;
  padding: 0 31px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--white);
  background: var(--violet);
  border-radius: 999px;
  font-weight: 900;
}

.other-platforms > p {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
}

.other-platforms > a {
  min-height: 54px;
  display: grid;
  grid-template-columns: 32px 1fr auto;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  transition: color .2s ease, transform .2s ease;
}

.other-platforms > a:hover {
  color: var(--violet);
  transform: translateX(5px);
}

.other-platforms > a > i {
  color: var(--violet);
  font-size: 21px;
}

.other-platforms > a span {
  font-weight: 800;
}

.other-platforms > a b {
  font-size: 13px;
}

.experience {
  min-height: 880px;
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 95px;
  align-items: center;
  color: var(--white);
  background:
    radial-gradient(circle at 13% 17%, rgba(124, 92, 255, .28), transparent 24rem),
    var(--night);
  clip-path: polygon(0 5%, 88% 0, 100% 8%, 96% 95%, 13% 100%, 0 91%);
}

.experience-copy > p {
  color: rgba(255,255,255,.68);
}

.experience-points {
  margin-top: 44px;
  display: grid;
  gap: 32px;
}

.experience-points article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 22px;
}

.experience-points article > span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .13em;
}

.experience-points h3 {
  margin: 0 0 9px;
  font-size: 24px;
}

.experience-points p {
  max-width: 650px;
  margin: 0;
  color: rgba(255,255,255,.67);
  line-height: 1.85;
}

.experience-image {
  margin: 0;
}

.experience-image img {
  width: 100%;
  max-height: 650px;
  object-fit: contain;
  filter: drop-shadow(0 34px 42px rgba(0,0,0,.34));
}

.pc-scenes {
  padding: 145px 0 150px;
}

.scene-copy {
  max-width: 790px;
}

.scene-flow {
  margin-top: 86px;
  display: grid;
  gap: 125px;
}

.scene-flow figure {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 95px;
  align-items: center;
}

.scene-flow figure img {
  width: 100%;
  max-height: 600px;
  object-fit: contain;
  filter: drop-shadow(0 30px 40px rgba(16,22,38,.15));
}

.scene-flow figure:first-child img {
  clip-path: ellipse(49% 45% at 50% 50%);
  background: #dce8ff;
}

.scene-flow figure:last-child img {
  clip-path: polygon(8% 1%, 93% 4%, 100% 44%, 88% 98%, 12% 100%, 0 60%);
  background: #e9dcff;
}

.scene-flow figcaption > span {
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.scene-flow h3 {
  margin: 13px 0 0;
  font-size: clamp(38px, 4.5vw, 64px);
  line-height: 1.1;
  letter-spacing: -.055em;
}

.scene-flow p {
  margin: 23px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.release {
  padding: 135px 0 150px;
}

.release-title {
  max-width: 870px;
}

.release-points {
  margin-top: 82px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 62px 90px;
}

.release-points p {
  margin: 0;
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 5px 20px;
}

.release-points span {
  grid-row: 1 / span 2;
  color: var(--violet);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .13em;
}

.release-points b {
  font-size: 23px;
}

.release-points em {
  color: var(--muted);
  font-size: 15px;
  font-style: normal;
  line-height: 1.8;
}

.trust {
  padding: 120px 0 135px;
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 100px;
  align-items: start;
}

.trust-data {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 52px 60px;
}

.trust-data strong {
  display: block;
  color: var(--violet);
  font-size: clamp(52px, 6vw, 84px);
  line-height: 1;
  letter-spacing: -.07em;
}

.trust-data span {
  display: block;
  margin-top: 13px;
  color: var(--muted);
  line-height: 1.7;
}

.multidevice {
  padding: 135px 0 145px;
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 95px;
  align-items: center;
}

.multidevice figure {
  margin: 0;
}

.multidevice figure img {
  width: 100%;
  max-height: 610px;
  object-fit: contain;
  clip-path: circle(48% at 50% 50%);
  background: #dbe9ff;
  filter: drop-shadow(0 30px 40px rgba(16,22,38,.14));
}

.multidevice > div > a {
  margin-top: 34px;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--violet);
  font-weight: 900;
}

.multidevice > div > a i {
  transition: transform .2s ease;
}

.multidevice > div > a:hover i {
  transform: translateX(5px);
}

.install {
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  color: var(--white);
  background:
    radial-gradient(circle at 85% 20%, rgba(79,220,255,.22), transparent 20rem),
    var(--navy);
}

.install-heading {
  max-width: 760px;
}

.install-flow {
  margin: 82px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 78px;
  list-style: none;
}

.install-flow li > span {
  display: block;
  margin-bottom: 29px;
  color: var(--cyan);
  font-size: 106px;
  line-height: .75;
  font-weight: 900;
  letter-spacing: -.08em;
}

.install-flow h3 {
  margin: 0 0 13px;
  font-size: 24px;
}

.install-flow p {
  margin: 0;
  color: rgba(255,255,255,.67);
  line-height: 1.85;
}

.install-download {
  min-height: 60px;
  margin-top: 58px;
  padding: 0 31px;
  color: var(--navy);
  background: var(--cyan);
}

.faq {
  padding: 140px 0 155px;
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 120px;
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 95px;
}

.faq-list {
  display: grid;
  gap: 34px;
}

.faq-list summary {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  list-style: none;
  font-size: 20px;
  line-height: 1.55;
  font-weight: 900;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary i {
  margin-top: 8px;
  color: var(--violet);
  font-size: 14px;
  transition: transform .2s ease;
}

.faq-list details[open] summary i {
  transform: rotate(45deg);
}

.faq-list p {
  max-width: 760px;
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.final-cta {
  min-height: 500px;
  padding: 90px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  background:
    radial-gradient(circle at 17% 18%, rgba(79,220,255,.28), transparent 16rem),
    linear-gradient(135deg, var(--night), #242c62);
}

.final-cta > p {
  margin: 0 0 17px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.final-cta h2 {
  max-width: 930px;
  margin: 0;
  font-size: clamp(52px, 7vw, 98px);
  line-height: 1;
  letter-spacing: -.075em;
  font-weight: 900;
}

.final-cta a {
  min-height: 62px;
  margin-top: 40px;
  padding: 0 34px;
  color: var(--night);
  background: var(--cyan);
  font-size: 17px;
}

.final-cta > span {
  margin-top: 19px;
  color: rgba(255,255,255,.58);
  font-size: 13px;
}

.footer {
  width: min(calc(100% - 44px), var(--max));
  min-height: 126px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 38px;
  color: #737681;
  font-size: 13px;
}

.footer-brand {
  color: var(--ink);
  font-size: 18px;
}

.footer-brand img {
  width: 31px;
  height: 31px;
}

@media (max-width: 1040px) {
  .header {
    grid-template-columns: auto 1fr auto auto;
    gap: 16px;
  }

  .nav {
    display: none;
    position: fixed;
    inset: 78px 0 auto;
    width: 100%;
    padding: 35px 24px 39px;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    background: rgba(244,241,233,.98);
    backdrop-filter: blur(18px);
  }

  .nav.is-open {
    display: flex;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .header-download {
    justify-self: end;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 55px;
  }

  .hero-copy {
    max-width: 830px;
  }

  .hero-visual {
    max-width: 900px;
    width: 100%;
    margin: 0 auto;
  }

  .pc-download-main,
  .experience,
  .trust,
  .multidevice,
  .faq {
    grid-template-columns: 1fr;
  }

  .experience {
    clip-path: polygon(0 3%, 88% 0, 100% 4%, 97% 97%, 13% 100%, 0 94%);
  }

  .experience-image {
    max-width: 820px;
    margin: 0 auto;
  }

  .faq-heading {
    position: static;
  }
}

@media (max-width: 720px) {
  .header {
    width: min(calc(100% - 28px), var(--max));
    min-height: 76px;
    grid-template-columns: auto 1fr auto;
  }

  .header-download {
    display: none;
  }

  .hero,
  .pc-download,
  .pc-scenes,
  .release,
  .trust,
  .multidevice,
  .faq,
  .footer {
    width: min(calc(100% - 30px), var(--max));
  }

  .hero {
    margin-top: 0;
    margin-bottom: 35px;
    gap: 35px;
  }

  .hero-copy {
    padding-left: 0;
  }

  .hero h1 {
    font-size: clamp(53px, 16vw, 73px);
  }

  .hero-text {
    margin-top: 25px;
    font-size: 16px;
    line-height: 1.85;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }

  .primary-download {
    width: 100%;
  }

  .install-link {
    justify-content: center;
  }

  .hero-visual {
    min-height: 400px;
  }

  .hero-visual::before {
    width: 100%;
  }

  .hero-visual::after {
    width: 115px;
    height: 115px;
  }

  .hero-visual img {
    max-height: 380px;
  }

  .pc-mark {
    font-size: 92px;
  }

  .pc-download,
  .pc-scenes,
  .release,
  .trust,
  .multidevice,
  .faq {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .pc-download-main {
    margin-top: 58px;
    gap: 55px;
  }

  .pc-release-copy > strong {
    font-size: 118px;
  }

  .pc-release-copy > a {
    width: 100%;
  }

  .experience {
    min-height: auto;
    padding-top: 105px;
    padding-bottom: 115px;
    gap: 50px;
    clip-path: polygon(0 2%, 88% 0, 100% 3%, 97% 98%, 13% 100%, 0 96%);
  }

  .experience-points article {
    grid-template-columns: 42px 1fr;
  }

  .scene-flow {
    margin-top: 58px;
    gap: 90px;
  }

  .scene-flow figure {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .scene-flow figure:last-child figcaption {
    order: 2;
  }

  .scene-flow figure:last-child img {
    order: 1;
  }

  .release-points {
    margin-top: 58px;
    grid-template-columns: 1fr;
    gap: 47px;
  }

  .trust {
    gap: 52px;
  }

  .trust-data {
    grid-template-columns: 1fr 1fr;
    gap: 38px 20px;
  }

  .trust-data strong {
    font-size: 45px;
  }

  .multidevice {
    gap: 45px;
  }

  .multidevice figure {
    order: -1;
  }

  .install {
    padding-top: 95px;
    padding-bottom: 100px;
  }

  .install-flow {
    margin-top: 58px;
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .install-flow li > span {
    margin-bottom: 20px;
    font-size: 78px;
  }

  .install-download {
    width: 100%;
  }

  .faq {
    gap: 52px;
  }

  .faq-list summary {
    font-size: 18px;
  }

  .final-cta {
    min-height: 430px;
    padding: 75px 20px;
  }

  .final-cta h2 {
    font-size: clamp(49px, 14vw, 69px);
  }

  .footer {
    padding: 36px 0;
    grid-template-columns: 1fr;
    gap: 13px;
    text-align: center;
  }

  .footer-brand {
    justify-content: center;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}