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

:root {
  --black: #111111;
  --ivory: #f7f4ec;
  --white: #fffef9;
  --lime: #c8ff38;
  --lime-dark: #90c800;
  --purple: #7758ff;
  --pink: #e74586;
  --gray: #6e6b66;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--ivory);
  color: var(--black);
  font-family: "Noto Sans SC", "Microsoft YaHei", sans-serif;
}

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

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

button {
  font: inherit;
}

.site-head {
  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: 45px;
  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: 33px;
  color: #4f4b46;
  font-size: 14px;
  font-weight: 700;
}

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

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

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

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

.head-action:hover,
.download-main:hover,
.install-download:hover,
.final a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 36px rgba(17,17,17,.18);
}

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

.hero {
  width: min(calc(100% - 44px), 1440px);
  min-height: 730px;
  margin: 25px auto 80px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  align-items: center;
  gap: 55px;
}

.hero-words {
  padding-left: clamp(0px, 4vw, 78px);
  position: relative;
  z-index: 2;
}

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

.section-tag.light {
  color: var(--lime);
}

.hero h1 {
  max-width: 660px;
  margin: 0;
  font-size: clamp(61px, 7vw, 104px);
  line-height: .94;
  letter-spacing: -.078em;
  font-weight: 900;
}

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

.hero-copy {
  max-width: 610px;
  margin: 33px 0 0;
  color: var(--gray);
  font-size: 18px;
  line-height: 1.95;
}

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

.download-main {
  min-height: 60px;
  padding: 0 32px;
  font-size: 16px;
}

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

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

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

.hero-note {
  max-width: 600px;
  margin: 24px 0 0;
  color: #807c75;
  font-size: 13px;
  line-height: 1.7;
}

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

.hero-media::before {
  content: "";
  position: absolute;
  width: 92%;
  aspect-ratio: 1;
  background: var(--lime);
  clip-path: polygon(50% 0, 85% 11%, 100% 44%, 88% 78%, 57% 100%, 21% 90%, 0 60%, 8% 22%);
  transform: rotate(-7deg);
}

.hero-media img {
  width: min(94%, 760px);
  max-height: 615px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 32px 36px rgba(17,17,17,.20));
}

.orbit {
  position: absolute;
  z-index: 1;
  border-radius: 50%;
  border: 2px solid rgba(17,17,17,.18);
}

.orbit.one {
  width: 76%;
  height: 38%;
  transform: rotate(18deg);
}

.orbit.two {
  width: 54%;
  height: 79%;
  transform: rotate(-35deg);
}

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

.download {
  padding: 95px 0 130px;
}

.download-title {
  max-width: 760px;
}

.download-title h2,
.why-heading h2,
.scene h2,
.release-right h2,
.install-head h2,
.safe-use h2,
.faq-head h2 {
  margin: 0;
  font-size: clamp(44px, 5.3vw, 76px);
  line-height: 1.07;
  letter-spacing: -.062em;
  font-weight: 900;
}

.download-title > p:last-child {
  max-width: 700px;
  margin: 23px 0 0;
  color: var(--gray);
  font-size: 17px;
  line-height: 1.9;
}

.platforms {
  margin-top: 78px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
}

.platforms > a {
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.platforms > a > i {
  color: var(--purple);
  font-size: 36px;
}

.platforms span {
  margin-top: 24px;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: -.035em;
}

.platforms em {
  margin-top: 8px;
  color: var(--gray);
  font-size: 14px;
  font-style: normal;
}

.platforms b {
  margin-top: 23px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
}

.platforms b i {
  transition: transform .2s ease;
}

.platforms > a:hover b i {
  transform: translateX(5px);
}

.why {
  min-height: 850px;
  padding: 135px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  gap: 95px;
  color: var(--white);
  background: var(--black);
  clip-path: polygon(0 6%, 84% 0, 100% 9%, 96% 95%, 16% 100%, 0 90%);
}

.why-heading {
  align-self: start;
}

.why-copy {
  display: grid;
  gap: 42px;
}

.why-copy article {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 22px;
}

.why-copy article > span {
  color: var(--lime);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .14em;
}

.why-copy h3 {
  margin: 0 0 10px;
  font-size: 25px;
  letter-spacing: -.03em;
}

.why-copy p {
  max-width: 650px;
  margin: 0;
  color: rgba(255,255,255,.65);
  line-height: 1.85;
}

.product-scenes {
  width: min(calc(100% - 44px), 1360px);
  margin: 0 auto;
  padding: 135px 0 150px;
  display: grid;
  gap: 130px;
}

.scene {
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 90px;
  align-items: center;
}

.scene img {
  width: 100%;
  max-height: 590px;
  object-fit: contain;
  filter: drop-shadow(0 30px 40px rgba(17,17,17,.14));
}

.scene-a img {
  clip-path: ellipse(48% 47% at 50% 50%);
  background: #e6dcff;
}

.scene-b img {
  clip-path: polygon(12% 0, 91% 4%, 100% 46%, 87% 96%, 13% 100%, 0 53%);
  background: #dfffa3;
}

.scene-c img {
  clip-path: circle(48% at 50% 50%);
  background: #f8d7e7;
}

.scene figcaption {
  max-width: 600px;
}

.scene figcaption > span {
  color: var(--purple);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .17em;
}

.scene h2 {
  margin-top: 14px;
}

.scene p {
  margin: 24px 0 0;
  color: var(--gray);
  font-size: 17px;
  line-height: 1.9;
}

.release {
  padding: 135px 0 150px;
  display: grid;
  grid-template-columns: .87fr 1.13fr;
  gap: 110px;
  align-items: start;
}

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

.release-name,
.release-left em {
  color: var(--gray);
  font-size: 14px;
  font-style: normal;
}

.release-left strong {
  margin: 10px 0 16px;
  color: var(--purple);
  font-size: clamp(95px, 14vw, 180px);
  line-height: .83;
  letter-spacing: -.09em;
}

.release-right {
  padding-top: 15px;
}

.release-right > p {
  margin: 28px 0 0;
  display: grid;
  grid-template-columns: 25px 1fr;
  gap: 16px;
  color: var(--gray);
  line-height: 1.85;
}

.release-right i {
  margin-top: 6px;
  color: var(--lime-dark);
}

.release-right b {
  display: block;
  margin-bottom: 4px;
  color: var(--black);
}

.facts {
  padding: 120px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 42px;
  background: var(--lime);
}

.facts strong {
  display: block;
  font-size: clamp(48px, 5.5vw, 80px);
  line-height: 1;
  letter-spacing: -.07em;
}

.facts span {
  display: block;
  margin-top: 13px;
  color: rgba(17,17,17,.70);
  font-size: 14px;
}

.facts > p {
  grid-column: 1 / -1;
  margin: 18px 0 0;
  color: rgba(17,17,17,.62);
  font-size: 12px;
}

.install {
  padding: 145px 0 155px;
}

.install-head {
  max-width: 750px;
}

.steps {
  margin: 84px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 80px;
  list-style: none;
}

.steps li > span {
  display: block;
  margin-bottom: 28px;
  color: rgba(119,88,255,.18);
  font-size: 108px;
  line-height: .75;
  font-weight: 900;
  letter-spacing: -.08em;
}

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

.steps p {
  margin: 0;
  color: var(--gray);
  line-height: 1.85;
}

.install-download {
  min-height: 60px;
  margin-top: 58px;
  padding: 0 31px;
}

.safe-use {
  padding: 125px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .86fr 1.14fr;
  gap: 105px;
  color: var(--white);
  background:
    radial-gradient(circle at 10% 15%, rgba(200,255,56,.20), transparent 20rem),
    var(--purple);
}

.safe-copy {
  display: grid;
  gap: 27px;
}

.safe-copy p {
  margin: 0;
  color: rgba(255,255,255,.72);
  line-height: 1.85;
}

.safe-copy b {
  color: var(--white);
}

.faq {
  padding: 140px 0 155px;
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 120px;
  align-items: start;
}

.faq-head {
  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(--purple);
  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(--gray);
  line-height: 1.85;
}

.final {
  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 82% 22%, rgba(200,255,56,.24), transparent 17rem),
    var(--black);
}

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

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

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

.final > 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: #77726c;
  font-size: 13px;
}

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

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

@media (max-width: 1040px) {
  .site-head {
    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(247,244,236,.98);
    backdrop-filter: blur(18px);
  }

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

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

  .head-action {
    justify-self: end;
  }

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

  .hero-words {
    max-width: 820px;
  }

  .hero-media {
    max-width: 850px;
    width: 100%;
    margin: 0 auto;
  }

  .platforms {
    grid-template-columns: repeat(2, 1fr);
  }

  .why,
  .release,
  .safe-use,
  .faq {
    grid-template-columns: 1fr;
  }

  .why {
    clip-path: polygon(0 3%, 82% 0, 100% 4%, 97% 97%, 15% 100%, 0 94%);
  }

  .why-copy {
    margin-top: 25px;
  }

  .scene {
    gap: 58px;
  }

  .faq-head {
    position: static;
  }
}

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

  .head-action {
    display: none;
  }

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

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

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

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

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

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

  .download-main {
    width: 100%;
  }

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

  .hero-media {
    min-height: 390px;
  }

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

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

  .download,
  .product-scenes,
  .release,
  .install,
  .faq {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .platforms {
    margin-top: 55px;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .why {
    min-height: auto;
    padding-top: 105px;
    padding-bottom: 115px;
    clip-path: polygon(0 2%, 80% 0, 100% 2%, 97% 98%, 14% 100%, 0 96%);
  }

  .why-copy article {
    grid-template-columns: 42px 1fr;
  }

  .product-scenes {
    gap: 95px;
  }

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

  .scene-b figcaption {
    order: 2;
  }

  .scene-b img {
    order: 1;
  }

  .release {
    gap: 48px;
  }

  .release-left strong {
    font-size: 86px;
  }

  .facts {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px 20px;
    padding-top: 90px;
    padding-bottom: 90px;
  }

  .facts strong {
    font-size: 48px;
  }

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

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

  .install-download {
    width: 100%;
  }

  .safe-use {
    padding-top: 90px;
    padding-bottom: 95px;
    gap: 52px;
  }

  .faq {
    gap: 52px;
  }

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

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

  .final 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;
  }
}