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

:root {
  --deep: #062b31;
  --deep-2: #031d22;
  --lime: #ccff63;
  --berry: #e84d7e;
  --sky: #69c5da;
  --cream: #f7edda;
  --paper: #fff8e9;
  --ink: #153038;
  --muted: #65757a;
  --max: 1260px;
  --fw19-fold: 19deg;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--cream);
  background: var(--deep);
  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-top {
  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: 46px;
  position: relative;
  z-index: 40;
}

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

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

.site-menu {
  display: flex;
  justify-content: center;
  gap: 31px;
  color: rgba(247, 237, 218, .72);
  font-size: 14px;
  font-weight: 800;
}

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

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

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

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

.top-action:hover,
.download-main:hover,
.final-zone a:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, .26);
}

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

.hero-fold {
  width: min(calc(100% - 44px), 1410px);
  min-height: 740px;
  margin: 22px auto 80px;
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 70px;
  align-items: center;
  position: relative;
}

.hero-copy {
  position: relative;
  z-index: 3;
}

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

.section-label.dark {
  color: var(--deep);
}

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

.hero-fold h1 {
  margin: 0;
  font-size: clamp(58px, 6.8vw, 100px);
  line-height: .94;
  letter-spacing: -.08em;
  font-weight: 900;
}

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

.hero-text {
  max-width: 650px;
  margin: 32px 0 0;
  color: rgba(247, 237, 218, .7);
  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;
}

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

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

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

.hero-tags {
  margin-top: 27px;
  display: flex;
  flex-wrap: wrap;
  gap: 13px 20px;
  color: rgba(247, 237, 218, .58);
  font-size: 13px;
}

.hero-visual {
  min-height: 610px;
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: 92%;
  height: 86%;
  right: 0;
  top: 4%;
  background: var(--sky);
  clip-path: polygon(9% 0, 100% 12%, 91% 92%, 0 100%);
}

.pc-shot,
.mac-shot {
  position: absolute;
  margin: 0;
  display: grid;
  place-items: center;
  filter: drop-shadow(0 34px 42px rgba(0, 0, 0, .32));
}

.pc-shot {
  width: 65%;
  height: 66%;
  right: 4%;
  top: 4%;
  background: var(--paper);
  clip-path: ellipse(49% 46% at 50% 50%);
  z-index: 2;
}

.pc-shot img {
  width: 86%;
  max-height: 90%;
  object-fit: contain;
}

.mac-shot {
  width: 58%;
  height: 62%;
  left: 1%;
  bottom: 0;
  background: var(--berry);
  clip-path: polygon(6% 0, 100% 8%, 92% 100%, 0 91%);
  z-index: 3;
}

.mac-shot img {
  width: 83%;
  max-height: 90%;
  object-fit: contain;
}

.hero-fineprint {
  grid-column: 1 / -1;
  max-width: 790px;
  margin: -15px 0 0;
  color: rgba(247, 237, 218, .55);
  font-size: 13px;
  line-height: 1.75;
}

.platform-zone,
.value-zone,
.install-zone {
  width: min(calc(100% - 44px), var(--max));
  margin-left: auto;
  margin-right: auto;
}

.platform-zone {
  padding: 100px 0 145px;
  display: grid;
  grid-template-columns: .75fr 1.25fr;
  gap: 105px;
  color: var(--ink);
  background: var(--paper);
}

.platform-zone::before,
.platform-zone::after {
  content: "";
  position: absolute;
}

.platform-intro h2,
.connect-copy h2,
.value-title h2,
.device-copy h2,
.install-heading h2,
.faq-title h2 {
  margin: 0;
  font-size: clamp(44px, 5.3vw, 76px);
  line-height: 1.07;
  letter-spacing: -.065em;
  font-weight: 900;
}

.platform-intro > p:last-child {
  max-width: 690px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.9;
}

.platform-map {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 62px 70px;
}

.platform-map > a {
  min-width: 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 22px;
  align-items: center;
}

.platform-map span {
  font-size: clamp(40px, 4.5vw, 62px);
  line-height: .98;
  letter-spacing: -.06em;
  font-weight: 900;
}

.platform-map > a > i {
  grid-row: 1 / span 2;
  grid-column: 2;
  color: var(--berry);
  font-size: 41px;
}

.platform-map em {
  color: var(--muted);
  font-size: 14px;
  font-style: normal;
}

.platform-map b {
  grid-column: 1 / -1;
  margin-top: 13px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
}

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

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

.connect-band {
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 100px;
  align-items: center;
  color: var(--cream);
  background: var(--berry);
}

.connect-visual {
  margin: 0;
  min-height: 560px;
  display: grid;
  place-items: center;
  background: var(--lime);
  clip-path: polygon(7% 0, 96% 5%, 100% 48%, 87% 100%, 9% 94%, 0 43%);
}

.connect-visual img {
  width: 86%;
  max-height: 520px;
  object-fit: contain;
}

.connect-copy > p {
  max-width: 740px;
  margin: 24px 0 0;
  color: rgba(247, 237, 218, .78);
  font-size: 17px;
  line-height: 1.9;
}

.connect-path {
  margin-top: 42px;
  display: grid;
  gap: 23px;
}

.connect-path p {
  margin: 0;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  color: rgba(247, 237, 218, .78);
  line-height: 1.75;
}

.connect-path strong {
  color: var(--lime);
}

.value-zone {
  padding: 145px 0 150px;
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 105px;
  align-items: start;
}

.value-title {
  position: sticky;
  top: 105px;
}

.value-copy {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 58px 65px;
}

.value-copy article > span {
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .15em;
}

.value-copy h3 {
  margin: 11px 0 10px;
  font-size: 26px;
}

.value-copy p {
  margin: 0;
  color: rgba(247, 237, 218, .66);
  line-height: 1.85;
}

.device-stage {
  padding: 140px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 95px;
  align-items: center;
  color: var(--ink);
  background: var(--lime);
}

.device-copy > p {
  max-width: 750px;
  margin: 24px 0 0;
  color: rgba(21, 48, 56, .72);
  font-size: 17px;
  line-height: 1.9;
}

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

.device-notes p {
  margin: 0;
  display: grid;
  grid-template-columns: 115px 1fr;
  gap: 18px;
  color: rgba(21, 48, 56, .74);
  line-height: 1.75;
}

.device-notes strong {
  color: var(--berry);
}

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

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

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

.device-visuals {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  align-items: end;
}

.device-visuals figure {
  margin: 0;
  text-align: center;
}

.device-visuals img {
  width: 100%;
  max-height: 510px;
  object-fit: contain;
  filter: drop-shadow(0 28px 34px rgba(6, 43, 49, .22));
}

.device-visuals figure:first-child img {
  background: var(--sky);
  clip-path: ellipse(49% 46% at 50% 50%);
}

.device-visuals figure:last-child img {
  background: var(--paper);
  clip-path: polygon(7% 0, 96% 5%, 100% 48%, 87% 100%, 9% 94%, 0 43%);
}

.device-visuals figcaption {
  margin-top: 17px;
  color: rgba(21, 48, 56, .72);
  font-size: 14px;
  font-weight: 900;
}

.install-zone {
  padding: 145px 0 150px;
}

.install-heading {
  max-width: 880px;
}

.install-flow {
  margin: 82px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 54px;
  list-style: none;
}

.install-flow li > span {
  display: block;
  margin-bottom: 23px;
  color: var(--berry);
  font-size: 72px;
  line-height: .8;
  font-weight: 900;
  letter-spacing: -.08em;
}

.install-flow h3 {
  margin: 0 0 11px;
  font-size: 23px;
}

.install-flow p {
  margin: 0;
  color: rgba(247, 237, 218, .66);
  line-height: 1.82;
}

.faq-zone {
  padding: 145px max(22px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: .72fr 1.28fr;
  gap: 120px;
  align-items: start;
  color: var(--cream);
  background: var(--deep-2);
}

.faq-title {
  position: sticky;
  top: 100px;
}

.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(--lime);
  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: rgba(247, 237, 218, .67);
  line-height: 1.85;
}

.final-zone {
  min-height: 500px;
  padding: 90px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--deep);
  background: var(--sky);
}

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

.final-zone h2 {
  max-width: 930px;
  margin: 0;
  font-size: clamp(56px, 7vw, 102px);
  line-height: .98;
  letter-spacing: -.075em;
  font-weight: 900;
}

.final-zone a {
  min-height: 62px;
  margin-top: 40px;
  padding: 0 34px;
  font-size: 17px;
}

.final-zone > span {
  margin-top: 19px;
  color: rgba(6, 43, 49, .62);
  font-size: 13px;
}

.site-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(--berry);
  font-size: 13px;
}

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

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

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

  .site-menu {
    display: none;
    position: fixed;
    inset: 78px 0 auto;
    width: 100%;
    padding: 35px 24px 39px;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    color: var(--cream);
    background: rgba(6, 43, 49, .98);
    backdrop-filter: blur(18px);
  }

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

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

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

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

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

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

  .platform-zone,
  .connect-band,
  .value-zone,
  .device-stage,
  .faq-zone {
    grid-template-columns: 1fr;
  }

  .platform-zone {
    padding-left: 44px;
    padding-right: 44px;
    max-width: none;
    width: 100%;
  }

  .connect-visual {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
  }

  .value-title,
  .faq-title {
    position: static;
  }
}

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

  .top-action {
    display: none;
  }

  .hero-fold,
  .value-zone,
  .install-zone {
    width: min(calc(100% - 30px), var(--max));
  }

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

  .hero-fold h1 {
    font-size: clamp(50px, 14.5vw, 70px);
  }

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

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

  .download-main {
    width: 100%;
  }

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

  .hero-visual {
    min-height: 470px;
  }

  .pc-shot {
    width: 76%;
    height: 60%;
  }

  .mac-shot {
    width: 70%;
    height: 56%;
  }

  .hero-fineprint {
    margin-top: 0;
  }

  .platform-zone {
    padding: 84px 15px 92px;
    gap: 52px;
  }

  .platform-map {
    grid-template-columns: 1fr;
    gap: 50px;
  }

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

  .connect-visual {
    min-height: 350px;
  }

  .connect-path p {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .value-zone,
  .install-zone {
    padding-top: 84px;
    padding-bottom: 92px;
  }

  .value-zone {
    gap: 52px;
  }

  .value-copy {
    grid-template-columns: 1fr;
    gap: 47px;
  }

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

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

  .device-visuals {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .install-flow {
    margin-top: 58px;
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .install-flow li > span {
    margin-bottom: 18px;
    font-size: 61px;
  }

  .faq-zone {
    padding-top: 95px;
    padding-bottom: 100px;
    gap: 52px;
  }

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

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

  .final-zone h2 {
    font-size: clamp(48px, 13.8vw, 68px);
  }

  .site-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;
  }
}