:root {
  color-scheme: light;
  --page-bg: #ffffff;
  --page-soft: #f4f6f9;
  --page-tint: #edf3ff;
  --surface: #ffffff;
  --ink: #171b24;
  --muted: #657084;
  --subtle: #8993a5;
  --line: #dce2eb;
  --line-strong: #c9d2df;
  --primary: #2f6fed;
  --primary-hover: #245bc5;
  --primary-soft: #e8f0ff;
  --success: #169b62;
  --warning: #c4861b;
  --dark: #11151c;
  --dark-soft: #1b222d;
  --dark-line: #313b49;
  --font: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--page-bg);
  color: var(--ink);
  font-family: var(--font);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

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

::selection {
  background: var(--primary);
  color: #fff;
}

:focus-visible {
  outline: 3px solid rgba(47, 111, 237, 0.3);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 10px;
  left: 10px;
  padding: 9px 13px;
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  transform: translateY(-160%);
}

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

.topbar {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  width: min(1220px, calc(100% - 64px));
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: #fff;
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.brand img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.brand span {
  font-size: 18px;
  font-weight: 760;
}

.topbar nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.nav-link:hover {
  color: #fff;
}

.nav-action,
.button {
  min-height: 46px;
  padding: 0 19px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 760;
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease,
    transform 160ms ease;
}

.nav-action {
  min-height: 42px;
  border-color: rgba(255, 255, 255, 0.26);
  background: rgba(17, 21, 28, 0.46);
  color: #fff;
}

.nav-action:hover {
  border-color: #fff;
  background: rgba(17, 21, 28, 0.72);
}

.hero {
  position: relative;
  isolation: isolate;
  height: calc(100svh - 64px);
  min-height: 620px;
  max-height: 780px;
  overflow: hidden;
  background-color: var(--dark);
  color: #fff;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  top: 108px;
  right: max(32px, calc((100% - 1220px) / 2));
  bottom: 54px;
  width: min(40vw, 520px);
  background: url("/site/assets/logo.png") center / contain no-repeat;
  opacity: 0.09;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 4px;
  background: var(--primary);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1220px, calc(100% - 64px));
  height: 100%;
  margin: 0 auto;
  padding-top: 86px;
  display: flex;
  align-items: center;
}

.hero-copy {
  width: min(710px, 100%);
}

.service-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: 650;
}

.status-dot {
  width: 9px;
  height: 9px;
  border: 2px solid rgba(255, 255, 255, 0.76);
  border-radius: 50%;
  background: #23b776;
  box-shadow: 0 0 0 5px rgba(35, 183, 118, 0.18);
}

.hero-kicker,
.section-kicker,
.product-number {
  font-family: Consolas, "Segoe UI", sans-serif;
  letter-spacing: 0;
  font-weight: 700;
}

.hero-kicker {
  margin: 26px 0 0;
  color: #91b7ff;
  font-size: 11px;
}

.hero h1 {
  margin: 13px 0 10px;
  font-size: 68px;
  line-height: 1.05;
  font-weight: 820;
}

.hero-title {
  margin: 0;
  color: #fff;
  font-size: 27px;
  line-height: 1.45;
  font-weight: 720;
}

.hero-subtitle {
  max-width: 620px;
  margin: 15px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.85;
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button-primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.button-primary:hover {
  border-color: #4f88f5;
  background: #4f88f5;
  color: #fff;
  transform: translateY(-1px);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(17, 21, 28, 0.48);
  color: #fff;
}

.button-secondary:hover {
  border-color: #fff;
  background: rgba(17, 21, 28, 0.78);
  color: #fff;
}

.hero-facts {
  margin: 34px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
}

.hero-facts > div {
  min-width: 146px;
  padding: 0 24px;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-facts > div:first-child {
  padding-left: 0;
  border-left: 0;
}

.hero-facts dt {
  color: #91b7ff;
  font-family: Consolas, monospace;
  font-size: 10px;
  font-weight: 700;
}

.hero-facts dd {
  margin: 7px 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 13px;
}

.signal-strip {
  width: min(1220px, calc(100% - 64px));
  min-height: 112px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.signal-strip > div {
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 11px;
  color: #424c5d;
  font-size: 13px;
  font-weight: 680;
}

.signal-strip > div + div {
  border-left: 1px solid var(--line);
}

.signal-strip i {
  color: var(--success);
  font-size: 19px;
}

.products {
  width: min(1220px, calc(100% - 64px));
  margin: 0 auto;
  padding: 104px 0 112px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
  gap: 64px;
}

.section-kicker,
.product-number {
  color: var(--primary);
  font-size: 10px;
}

.section-heading h2,
.reliability-heading h2 {
  max-width: 720px;
  margin: 17px 0 0;
  font-size: 40px;
  line-height: 1.25;
}

.section-heading > p,
.launch-copy > p,
.feature-copy > p,
.product-card-copy > p,
.reliability-heading > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.launch-feature {
  margin-top: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--line);
}

.launch-copy {
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(360px, 1.28fr);
  align-items: end;
  gap: 58px;
}

.launch-copy h3 {
  margin: 14px 0 0;
  font-size: 27px;
  line-height: 1.35;
}

.product-media.launch-media {
  aspect-ratio: 1470 / 787;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.product-media.launch-media img {
  object-fit: contain;
}

.configurator-feature {
  margin-top: 0;
  padding: 56px 0;
  display: grid;
  grid-template-columns: minmax(260px, 0.66fr) minmax(520px, 1.34fr);
  align-items: center;
  gap: 58px;
  border-block: 1px solid var(--line);
}

.feature-copy h3,
.product-card h3 {
  margin: 14px 0 12px;
  font-size: 27px;
  line-height: 1.35;
}

.feature-copy ul {
  margin: 25px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.feature-copy li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #3e4858;
  font-size: 13px;
}

.feature-copy li i {
  color: var(--success);
}

.product-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #e9edf3;
  box-shadow: 0 24px 60px rgba(20, 31, 49, 0.13);
}

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

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.configurator-media {
  aspect-ratio: 950 / 890;
}

.product-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.product-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.product-card-copy {
  min-height: 205px;
  padding: 32px 34px 30px;
}

.gateway-media,
.register-media {
  margin: 0 20px 20px;
  box-shadow: none;
}

.gateway-media {
  aspect-ratio: 700 / 560;
}

.register-media {
  aspect-ratio: 700 / 526;
}

.reliability {
  width: 100%;
  background: var(--dark);
  color: #fff;
}

.reliability-inner {
  width: min(1220px, calc(100% - 64px));
  min-height: 440px;
  margin: 0 auto;
  padding: 82px 0;
  display: grid;
  grid-template-columns: minmax(300px, 0.8fr) minmax(520px, 1.2fr);
  align-items: center;
  gap: 80px;
}

.reliability-heading .section-kicker {
  color: #91b7ff;
}

.reliability-heading h2 {
  color: #fff;
}

.reliability-heading > p {
  margin-top: 20px;
  color: #aeb7c6;
}

.reliability-list {
  border-top: 1px solid var(--dark-line);
}

.reliability-list > div {
  min-height: 92px;
  display: grid;
  grid-template-columns: 38px 126px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--dark-line);
}

.reliability-list i {
  color: #74a2ff;
  font-size: 21px;
}

.reliability-list strong {
  font-size: 14px;
}

.reliability-list span {
  color: #aeb7c6;
  font-size: 13px;
  line-height: 1.65;
}

.notice,
.final-entry,
footer {
  width: min(1220px, calc(100% - 64px));
  margin-inline: auto;
}

.notice {
  min-height: 170px;
  padding: 34px 0;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 38px;
  border-bottom: 1px solid var(--line);
}

.notice-heading {
  display: flex;
  align-items: center;
  gap: 16px;
}

.notice-mark {
  width: 8px;
  height: 50px;
  border-radius: 4px;
  background: var(--warning);
}

.notice h2 {
  margin: 7px 0 0;
  font-size: 22px;
}

.notice > p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.notice-link {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  text-decoration: none;
  transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.notice-link:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}

.final-entry {
  min-height: 270px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.final-brand {
  display: flex;
  align-items: center;
  gap: 22px;
}

.final-brand img {
  width: 68px;
  height: 68px;
  object-fit: contain;
}

.final-brand h2 {
  margin: 8px 0 0;
  font-size: 30px;
}

.final-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.text-link {
  color: var(--primary-hover);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.text-link:hover {
  text-decoration: underline;
}

.button-dark {
  border-color: var(--dark);
  background: var(--dark);
  color: #fff;
}

.button-dark:hover {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

footer {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-family: Consolas, monospace;
  font-size: 10px;
}

.footer-brand {
  color: var(--ink);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 760;
}

.footer-brand img {
  width: 30px;
  height: 30px;
  object-fit: contain;
}

@media (max-width: 960px) {
  .section-heading,
  .launch-copy,
  .configurator-feature,
  .reliability-inner {
    grid-template-columns: 1fr;
  }

  .section-heading,
  .launch-copy,
  .configurator-feature,
  .reliability-inner {
    gap: 36px;
  }

  .configurator-feature {
    padding-top: 44px;
  }

  .configurator-media {
    width: min(760px, 100%);
    max-height: 690px;
    margin: 0 auto;
  }

  .reliability-inner {
    padding: 72px 0;
  }
}

@media (max-width: 760px) {
  .topbar,
  .hero-inner,
  .signal-strip,
  .products,
  .reliability-inner,
  .notice,
  .final-entry,
  footer {
    width: calc(100% - 32px);
  }

  .topbar {
    min-height: 66px;
  }

  .brand img {
    width: 35px;
    height: 35px;
  }

  .brand span {
    font-size: 16px;
  }

  .topbar nav {
    gap: 0;
  }

  .nav-link {
    display: none;
  }

  .nav-action {
    width: 42px;
    min-height: 42px;
    padding: 0;
  }

  .nav-action span {
    display: none;
  }

  .hero {
    height: calc(100svh - 48px);
    min-height: 620px;
  }

  .hero::before {
    top: auto;
    right: -72px;
    bottom: 30px;
    width: 310px;
    height: 310px;
    opacity: 0.055;
  }

  .hero-inner {
    padding-top: 78px;
    align-items: center;
  }

  .hero-kicker {
    margin-top: 22px;
    font-size: 9px;
  }

  .hero h1 {
    margin-top: 12px;
    font-size: 42px;
  }

  .hero-title {
    font-size: 21px;
  }

  .hero-subtitle {
    font-size: 13px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-facts {
    margin-top: 28px;
  }

  .hero-facts > div {
    min-width: 0;
    flex: 1 1 33.333%;
    padding: 0 12px;
  }

  .hero-facts dd {
    font-size: 11px;
  }

  .signal-strip {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .signal-strip > div {
    min-height: 62px;
    padding: 16px 4px;
    justify-content: flex-start;
  }

  .signal-strip > div + div {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .products {
    padding: 72px 0 80px;
  }

  .section-heading {
    gap: 22px;
  }

  .section-heading h2,
  .reliability-heading h2 {
    font-size: 30px;
  }

  .launch-feature {
    margin-top: 44px;
    padding-bottom: 40px;
  }

  .launch-copy {
    margin-bottom: 24px;
    gap: 18px;
  }

  .launch-copy h3 {
    font-size: 23px;
  }

  .configurator-feature {
    margin-top: 0;
    padding: 40px 0;
    gap: 32px;
  }

  .feature-copy h3,
  .product-card h3 {
    font-size: 23px;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .product-card-copy {
    min-height: 0;
    padding: 26px 24px 24px;
  }

  .gateway-media,
  .register-media {
    margin: 0 12px 12px;
  }

  .reliability-inner {
    min-height: 0;
    padding: 66px 0;
  }

  .reliability-list > div {
    min-height: 105px;
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 8px 12px;
  }

  .reliability-list span {
    grid-column: 2;
  }

  .notice {
    padding: 32px 0;
    grid-template-columns: minmax(0, 1fr) 46px;
    gap: 18px;
  }

  .notice-heading,
  .notice > p {
    grid-column: 1;
  }

  .notice-link {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .final-entry {
    min-height: 290px;
    padding: 48px 0;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .final-brand {
    align-items: flex-start;
  }

  .final-brand img {
    width: 54px;
    height: 54px;
  }

  .final-brand h2 {
    font-size: 24px;
  }

  .final-actions {
    width: 100%;
    justify-content: space-between;
  }

  footer {
    min-height: 108px;
    flex-wrap: wrap;
  }

  footer > span:nth-child(2) {
    display: none;
  }
}

@media (max-width: 420px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

  .hero-facts > div {
    padding-inline: 8px;
  }

  .hero-facts dt {
    font-size: 8px;
  }

  .hero-facts dd {
    font-size: 10px;
  }

  .final-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .text-link {
    text-align: center;
  }
}

@media (max-height: 650px) {
  .hero {
    height: calc(100svh - 36px);
    min-height: 0;
  }

  .hero-inner {
    padding-top: 70px;
  }

  .hero-facts {
    margin-top: 20px;
  }
}

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

  .nav-action,
  .button,
  .notice-link {
    transition: none;
  }
}