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

:root {
  --ink: #2f251e;
  --sky: #d9eef3;
  --yellow: #f5ce50;
  --coral: #f36b4f;
  --brown: #3c2c25;
  --blue: #287d96;
  --mint: #dcebd9;
  --cream: #fff9ec;
  --paper: #e9f3f4;
  --muted: #6f6963;
  --max: 1260px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--sky);
  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-header {
  width: min(calc(100% - 44px), var(--max));
  min-height: 90px;
  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;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 31px;
  color: #534b46;
  font-size: 14px;
  font-weight: 700;
}

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

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

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

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

.header-action:hover,
.primary-download:hover,
.final-cta a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(60, 44, 37, .2);
}

.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), 1420px);
  min-height: 720px;
  margin: 20px auto 80px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  align-items: center;
  gap: 72px;
}

.hero-copy {
  padding-left: clamp(0px, 4vw, 76px);
}

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

.section-label.light {
  color: var(--yellow);
}

.hero h1 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(58px, 6.8vw, 100px);
  line-height: .96;
  letter-spacing: -.074em;
  font-weight: 900;
}

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

.lead {
  max-width: 650px;
  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(--coral);
  font-size: 16px;
}

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

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

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

.hero-note {
  max-width: 630px;
  margin: 25px 0 0;
  color: #746e69;
  font-size: 13px;
  line-height: 1.75;
}

.hero-figure {
  min-height: 620px;
  margin: 0;
  display: grid;
  place-items: center;
  position: relative;
}

.hero-figure::before {
  content: "";
  position: absolute;
  width: 94%;
  aspect-ratio: 1.2;
  background: var(--yellow);
  clip-path: polygon(7% 0, 93% 5%, 100% 44%, 87% 98%, 13% 100%, 0 60%);
}

.hero-figure::after {
  content: "";
  position: absolute;
  width: 175px;
  height: 175px;
  right: 2%;
  top: 6%;
  background: var(--coral);
  border-radius: 50%;
}

.hero-figure img {
  width: min(94%, 830px);
  max-height: 600px;
  object-fit: contain;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 34px 42px rgba(47, 37, 30, .18));
}

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

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

.download-heading {
  max-width: 830px;
}

.download-heading h2,
.first-use-heading h2,
.connection-copy h2,
.account-copy h2,
.subscription-heading h2,
.release-copy h2,
.device-copy h2,
.before-heading h2,
.faq-heading h2 {
  margin: 0;
  font-size: clamp(44px, 5.3vw, 76px);
  line-height: 1.07;
  letter-spacing: -.064em;
  font-weight: 900;
}

.download-heading > p:last-child,
.connection-copy > p,
.device-copy > p {
  max-width: 740px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

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

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

.platform-stream span {
  font-size: 27px;
  font-weight: 900;
  letter-spacing: -.04em;
}

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

.platform-stream > a > i {
  margin-top: 31px;
  color: var(--blue);
  font-size: 38px;
}

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

.platform-stream b i {
  transition: transform .2s ease;
}

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

.first-use {
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  color: var(--cream);
  background:
    radial-gradient(circle at 87% 20%, rgba(245, 206, 80, .18), transparent 20rem),
    var(--brown);
  clip-path: polygon(0 5%, 90% 0, 100% 9%, 96% 95%, 14% 100%, 0 91%);
}

.first-use-heading {
  max-width: 860px;
}

.first-use-heading > p:last-child {
  max-width: 730px;
  margin: 24px 0 0;
  color: rgba(255, 249, 236, .7);
  font-size: 17px;
  line-height: 1.9;
}

.first-use-steps {
  margin: 82px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 76px;
  list-style: none;
}

.first-use-steps li > span {
  display: block;
  margin-bottom: 28px;
  color: var(--yellow);
  font-size: 92px;
  line-height: .78;
  font-weight: 900;
  letter-spacing: -.08em;
}

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

.first-use-steps p {
  margin: 0;
  color: rgba(255, 249, 236, .68);
  line-height: 1.85;
}

.connection-choice {
  padding: 145px 0 150px;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 95px;
  align-items: center;
}

.connection-notes {
  margin-top: 40px;
  display: grid;
  gap: 22px;
}

.connection-notes p {
  margin: 0;
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  color: var(--muted);
  line-height: 1.75;
}

.connection-notes strong {
  color: var(--blue);
}

.connection-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  align-items: end;
}

.connection-images figure {
  margin: 0;
  text-align: center;
}

.connection-images img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  filter: drop-shadow(0 26px 32px rgba(47, 37, 30, .14));
}

.connection-images figure:first-child img {
  background: var(--yellow);
  clip-path: circle(48% at 50% 50%);
}

.connection-images figure:last-child img {
  background: var(--mint);
  clip-path: polygon(7% 1%, 93% 4%, 100% 43%, 87% 98%, 15% 100%, 0 62%);
}

.connection-images figcaption {
  margin-top: 17px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.account {
  padding: 135px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 95px;
  align-items: center;
  color: var(--cream);
  background: var(--blue);
}

.account-figure {
  margin: 0;
  min-height: 560px;
  display: grid;
  place-items: center;
  background: var(--yellow);
  clip-path: ellipse(49% 46% at 50% 50%);
}

.account-figure img {
  width: 82%;
  max-height: 530px;
  object-fit: contain;
}

.account-copy > p {
  max-width: 740px;
  margin: 24px 0 0;
  color: rgba(255, 249, 236, .72);
  font-size: 17px;
  line-height: 1.9;
}

.account-copy ul {
  margin: 41px 0 0;
  padding: 0;
  display: grid;
  gap: 23px;
  list-style: none;
}

.account-copy li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 15px;
  color: rgba(255, 249, 236, .8);
  line-height: 1.75;
}

.account-copy li i {
  margin-top: 5px;
  color: var(--yellow);
}

.subscription {
  padding: 145px 0 150px;
}

.subscription-heading {
  max-width: 850px;
}

.subscription-heading > p:last-child {
  max-width: 750px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.subscription-points {
  margin-top: 82px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 72px;
}

.subscription-points article > span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .15em;
}

.subscription-points h3 {
  margin: 11px 0 10px;
  font-size: 25px;
}

.subscription-points p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.release {
  padding: 135px 0 150px;
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 110px;
  align-items: start;
}

.release-copy h2 {
  color: var(--coral);
  font-size: clamp(90px, 13vw, 175px);
  line-height: .84;
}

.release-date {
  margin: 22px 0 0;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.release-intro {
  max-width: 630px;
  margin: 22px 0 0;
  color: var(--muted);
  line-height: 1.9;
}

.release-flow {
  display: grid;
  gap: 42px;
  padding-top: 26px;
}

.release-flow p {
  margin: 0;
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 6px 20px;
}

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

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

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

.device-view {
  padding: 135px 0 150px;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 95px;
  align-items: center;
}

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

.device-copy > a i {
  transition: transform .2s ease;
}

.device-copy > a:hover i {
  transform: translateX(5px);
}

.device-figure {
  margin: 0;
  min-height: 560px;
  display: grid;
  place-items: center;
  background: var(--mint);
  clip-path: circle(48% at 50% 50%);
}

.device-figure img {
  width: 100%;
  max-height: 530px;
  object-fit: contain;
}

.before-download {
  padding: 135px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 105px;
  color: var(--cream);
  background: var(--coral);
}

.before-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 45px 60px;
}

.before-points p {
  margin: 0;
}

.before-points strong,
.before-points span {
  display: block;
}

.before-points strong {
  font-size: 23px;
}

.before-points span {
  margin-top: 9px;
  color: rgba(255, 249, 236, .75);
  line-height: 1.8;
}

.faq {
  padding: 145px 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(--coral);
  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(--cream);
  background:
    radial-gradient(circle at 18% 18%, rgba(245, 206, 80, .2), transparent 17rem),
    var(--brown);
}

.final-cta > p {
  margin: 0 0 17px;
  color: var(--yellow);
  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;
  background: var(--coral);
  font-size: 17px;
}

.final-cta > span {
  margin-top: 19px;
  color: rgba(255, 249, 236, .58);
  font-size: 13px;
}

.footer {
  width: 100%;
  min-height: 126px;
  padding: 0 max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 38px;
  color: var(--cream);
  background: var(--coral);
  font-size: 13px;
}

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

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

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

  .site-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(217, 238, 243, .98);
    backdrop-filter: blur(18px);
  }

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

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

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

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

  .hero-copy {
    max-width: 850px;
  }

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

  .connection-choice,
  .account,
  .release,
  .device-view,
  .before-download,
  .faq {
    grid-template-columns: 1fr;
  }

  .connection-images {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
  }

  .account-figure,
  .device-figure {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
  }

  .faq-heading {
    position: static;
  }
}

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

  .header-action {
    display: none;
  }

  .hero,
  .download,
  .connection-choice,
  .subscription,
  .release,
  .device-view,
  .faq {
    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(50px, 14.6vw, 70px);
  }

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

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

  .primary-download {
    width: 100%;
  }

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

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

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

  .hero-figure::after {
    width: 110px;
    height: 110px;
  }

  .hero-figure img {
    max-height: 370px;
  }

  .download,
  .connection-choice,
  .subscription,
  .release,
  .device-view,
  .faq {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .platform-stream {
    margin-top: 55px;
    grid-template-columns: 1fr;
    gap: 49px;
  }

  .first-use {
    padding-top: 105px;
    padding-bottom: 115px;
    clip-path: polygon(0 2%, 90% 0, 100% 3%, 97% 98%, 14% 100%, 0 96%);
  }

  .first-use-steps {
    margin-top: 58px;
    grid-template-columns: 1fr;
    gap: 55px;
  }

  .first-use-steps li > span {
    margin-bottom: 20px;
    font-size: 76px;
  }

  .connection-choice {
    gap: 48px;
  }

  .connection-notes p {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .connection-images {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .account {
    padding-top: 90px;
    padding-bottom: 95px;
    gap: 48px;
  }

  .account-figure,
  .device-figure {
    min-height: 360px;
  }

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

  .release {
    gap: 48px;
  }

  .release-copy h2 {
    font-size: 84px;
  }

  .device-view {
    gap: 45px;
  }

  .device-figure {
    order: -1;
  }

  .before-download {
    padding-top: 90px;
    padding-bottom: 95px;
    gap: 52px;
  }

  .before-points {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .faq {
    gap: 52px;
  }

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

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

  .final-cta h2 {
    font-size: clamp(47px, 13.6vw, 67px);
  }

  .footer {
    padding: 36px 20px;
    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;
  }
}