:root {
  --ink: #10252d;
  --muted: #5f7177;
  --paper: #f3f7f6;
  --surface: #ffffff;
  --slate: #152a32;
  --slate-2: #203a43;
  --line: #cfdbd9;
  --cyan: #13b9c8;
  --cyan-soft: #dff6f5;
  --mint: #7de2cf;
  --amber: #f2a93b;
  --danger: #d95d4f;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(20, 48, 56, 0.13);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(16, 37, 45, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 37, 45, 0.032) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(19, 185, 200, 0.45);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  color: #fff;
  background: var(--slate);
  border-radius: 8px;
  transform: translateY(-150%);
}

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

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(207, 219, 217, 0.9);
  background: rgba(243, 247, 246, 0.92);
  backdrop-filter: blur(16px);
}

.nav-shell {
  min-height: 74px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
}

.brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-weight: 900;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--slate);
  background: var(--mint);
  border: 1px solid var(--slate);
  border-radius: 9px 9px 3px 9px;
  box-shadow: 4px 4px 0 var(--slate);
  font-family: Consolas, monospace;
  font-size: 16px;
}

.main-nav {
  display: flex;
  gap: 22px;
  justify-content: center;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
}

.main-nav a {
  position: relative;
  padding-block: 8px;
  color: #435b62;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 2px;
  left: 0;
  height: 2px;
  content: "";
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-action,
.button {
  min-height: 46px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  justify-content: center;
  padding: 12px 21px;
  border: 1px solid var(--slate);
  border-radius: 10px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.nav-action,
.button-primary {
  color: #fff;
  background: var(--slate);
  box-shadow: 5px 5px 0 var(--cyan);
}

.nav-action:hover,
.button-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--cyan);
}

.button-secondary {
  color: var(--slate);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: 5px 5px 0 var(--line);
}

.button-secondary:hover {
  background: #fff;
  transform: translate(-2px, -2px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: var(--surface);
  border-radius: 10px;
  font-size: 20px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 92px 0 78px;
}

.hero::before {
  position: absolute;
  top: 78px;
  right: -140px;
  width: 450px;
  height: 450px;
  content: "";
  border: 1px solid rgba(19, 185, 200, 0.3);
  border-radius: 50%;
  box-shadow:
    0 0 0 55px rgba(19, 185, 200, 0.035),
    0 0 0 110px rgba(19, 185, 200, 0.025);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
  gap: 58px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  margin: 0 0 20px;
  color: #35656d;
  font-family: Consolas, "Microsoft YaHei UI", monospace;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-dot {
  width: 9px;
  height: 9px;
  display: inline-block;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(19, 185, 200, 0.13);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
}

h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(43px, 5.5vw, 78px);
  font-weight: 950;
  letter-spacing: -0.055em;
}

.hero h1 .accent {
  position: relative;
  color: #0c747e;
}

.hero h1 .accent::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 8px;
  content: "";
  background: var(--mint);
  z-index: -1;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 32px;
}

.proof-line {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: #4b666c;
  font-size: 13px;
  font-weight: 700;
}

.proof-line span {
  display: inline-flex;
  gap: 7px;
  align-items: center;
}

.proof-line span::before {
  width: 7px;
  height: 7px;
  content: "";
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.hero-media {
  position: relative;
  align-self: center;
  min-width: 0;
  height: auto;
  padding: 0;
  margin: 0;
  border: 1px solid #aebfbd;
  border-radius: 22px;
  background: var(--slate);
  box-shadow: var(--shadow);
}

.hero-media::before {
  position: absolute;
  z-index: 2;
  top: 16px;
  left: 18px;
  width: 38px;
  height: 8px;
  content: "";
  background:
    radial-gradient(circle at 4px 4px, var(--cyan) 0 4px, transparent 4.5px),
    radial-gradient(circle at 19px 4px, var(--amber) 0 4px, transparent 4.5px),
    radial-gradient(circle at 34px 4px, var(--mint) 0 4px, transparent 4.5px);
}

.hero-media img {
  border-radius: 21px;
}

.diagnostic-strip {
  position: absolute;
  z-index: 3;
  right: 18px;
  bottom: 18px;
  left: 18px;
  min-height: 54px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 11px 14px;
  color: #dff9f6;
  background: rgba(10, 29, 35, 0.84);
  border: 1px solid rgba(125, 226, 207, 0.32);
  border-radius: 10px;
  backdrop-filter: blur(10px);
  font-family: Consolas, monospace;
  font-size: 12px;
}

.meter {
  height: 6px;
  overflow: hidden;
  background: #2d484f;
  border-radius: 99px;
}

.meter i {
  width: 88%;
  height: 100%;
  display: block;
  background: linear-gradient(90deg, var(--cyan), var(--mint));
  animation: meter-pulse 3.2s ease-in-out infinite;
}

@keyframes meter-pulse {
  50% {
    width: 96%;
  }
}

.status-band {
  color: #e9ffff;
  background: var(--slate);
  border-block: 1px solid #2e4a53;
}

.status-grid {
  min-height: 92px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.status-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  padding: 20px 30px;
  border-left: 1px solid #35515a;
}

.status-item:last-child {
  border-right: 1px solid #35515a;
}

.status-number {
  color: var(--mint);
  font-family: Consolas, monospace;
  font-size: 28px;
  font-weight: 900;
}

.status-label {
  color: #b9ced2;
  font-size: 12px;
  line-height: 1.4;
}

.section {
  padding: 108px 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.62);
  border-block: 1px solid var(--line);
}

.section-dark {
  color: #eafffd;
  background: var(--slate);
}

.section-head {
  max-width: 760px;
  margin-bottom: 52px;
}

.section-head.center {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-kicker {
  margin-bottom: 12px;
  color: #157e88;
  font-family: Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.section-dark .section-kicker {
  color: var(--mint);
}

.section h2 {
  margin-bottom: 17px;
  font-size: clamp(34px, 4.4vw, 58px);
  font-weight: 950;
  letter-spacing: -0.045em;
}

.section-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
}

.section-dark .section-head p {
  color: #b9ced2;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.platform {
  position: relative;
  min-height: 320px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background: rgba(255, 255, 255, 0.74);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  transition: background 180ms ease, transform 180ms ease;
}

.platform:hover {
  z-index: 2;
  background: #fff;
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.platform-code {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 42px;
  color: var(--mint);
  background: var(--slate);
  border-radius: 12px 12px 4px 12px;
  font-family: Consolas, monospace;
  font-weight: 900;
}

.platform h3 {
  margin-bottom: 8px;
  font-size: 22px;
}

.platform p {
  color: var(--muted);
  font-size: 14px;
}

.version {
  margin-top: auto;
  margin-bottom: 16px;
  color: #698086;
  font-family: Consolas, monospace;
  font-size: 12px;
}

.download-link {
  min-width: 138px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  padding: 10px 16px;
  color: var(--slate);
  background: var(--cyan-soft);
  border: 1px solid #a8dedc;
  border-radius: 8px;
  font-weight: 900;
  white-space: nowrap;
  word-break: keep-all;
  writing-mode: horizontal-tb;
}

.lab-layout {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  gap: 72px;
  align-items: center;
}

.lab-image {
  position: relative;
}

.lab-image img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid #8da3a7;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.lab-image figcaption {
  position: absolute;
  right: 14px;
  bottom: 14px;
  padding: 8px 12px;
  color: #dcf8f5;
  background: rgba(15, 39, 46, 0.86);
  border-radius: 7px;
  font-family: Consolas, monospace;
  font-size: 11px;
}

.feature-list {
  display: grid;
  gap: 4px;
  border-top: 1px solid var(--line);
}

.feature-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.feature-row strong {
  width: 44px;
  height: 28px;
  display: grid;
  place-items: center;
  color: #0e6971;
  background: var(--cyan-soft);
  border-radius: 99px;
  font-family: Consolas, monospace;
  font-size: 12px;
}

.feature-row h3 {
  margin-bottom: 6px;
  font-size: 19px;
}

.feature-row p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  align-items: stretch;
}

.price-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 34px;
  color: #eafffd;
  background: #1b333b;
  border: 1px solid #36535c;
  border-radius: 4px 20px 4px 20px;
}

.price-panel.recommended {
  background: #22434a;
  border-color: var(--cyan);
  box-shadow: inset 0 4px 0 var(--cyan);
}

.price-tag {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 5px 9px;
  color: var(--slate);
  background: var(--mint);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 900;
}

.price-panel h3 {
  margin-bottom: 9px;
  font-size: 22px;
}

.price-panel > p {
  min-height: 52px;
  color: #acc6ca;
  font-size: 13px;
}

.price {
  margin: 18px 0;
  font-family: Consolas, monospace;
  font-size: 48px;
  font-weight: 900;
}

.price small {
  color: #9db7bc;
  font-family: "Microsoft YaHei UI", sans-serif;
  font-size: 13px;
  font-weight: 500;
}

.price-panel ul {
  min-height: 150px;
  padding: 0;
  margin: 0 0 28px;
  list-style: none;
}

.price-panel li {
  position: relative;
  padding: 8px 0 8px 21px;
  color: #d0e1e3;
  font-size: 14px;
}

.price-panel li::before {
  position: absolute;
  top: 15px;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.price-panel .button {
  width: 100%;
  margin-top: auto;
  color: var(--slate);
  background: var(--mint);
  border-color: var(--mint);
  box-shadow: none;
}

.route-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: 60px;
  align-items: center;
}

.route-copy h2 {
  margin-bottom: 20px;
}

.route-copy p {
  color: var(--muted);
}

.route-notes {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.route-note {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14px;
  font-weight: 700;
}

.route-note i {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(19, 185, 200, 0.12);
}

.route-image {
  margin: 0;
}

.route-image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.news-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
  gap: 18px;
}

.news-item {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.news-item:first-child {
  color: #ebfffd;
  background: var(--slate);
  border-color: var(--slate);
}

.news-meta {
  margin-bottom: auto;
  color: #71868b;
  font-family: Consolas, monospace;
  font-size: 11px;
}

.news-item:first-child .news-meta {
  color: var(--mint);
}

.news-item h3 {
  margin-bottom: 12px;
  font-size: 23px;
}

.news-item p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.news-item:first-child p {
  color: #bdd1d4;
}

.agency {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 50px;
  align-items: center;
  padding: 52px;
  color: #ecfffd;
  background: var(--slate);
  border-radius: 5px 26px 5px 26px;
  box-shadow: 12px 12px 0 var(--mint);
}

.agency h2 {
  margin-bottom: 12px;
  font-size: clamp(32px, 4vw, 50px);
}

.agency p {
  max-width: 680px;
  margin-bottom: 0;
  color: #bdd1d4;
}

.agency .button {
  color: var(--slate);
  background: var(--mint);
  border-color: var(--mint);
  white-space: nowrap;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.faq-list details {
  padding: 22px 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.faq-list details[open] {
  background: #fff;
  border-color: #8cd4d5;
}

.faq-list summary {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

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

.faq-list summary::after {
  content: "+";
  color: #0a7d87;
  font-family: Consolas, monospace;
  font-size: 24px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list details p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.page-hero {
  padding: 90px 0 58px;
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  gap: 60px;
  align-items: end;
}

.page-hero h1 {
  margin-bottom: 18px;
}

.page-hero p {
  max-width: 650px;
  color: var(--muted);
  font-size: 17px;
}

.page-readout {
  padding: 24px;
  color: #dbf8f5;
  background: var(--slate);
  border: 1px solid #35515a;
  border-radius: 16px;
  font-family: Consolas, monospace;
  font-size: 12px;
}

.readout-line {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  border-bottom: 1px solid #314b53;
}

.readout-line:last-child {
  border-bottom: 0;
}

.readout-line span:last-child {
  color: var(--mint);
}

.download-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.download-card {
  min-height: 300px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 24px;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.device-glyph {
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  color: var(--mint);
  background: var(--slate);
  border-radius: 16px 16px 5px 16px;
  font-family: Consolas, monospace;
  font-size: 17px;
  font-weight: 900;
}

.download-card h2 {
  margin-bottom: 7px;
  font-size: 27px;
}

.download-card .compat {
  color: #698086;
  font-family: Consolas, monospace;
  font-size: 12px;
}

.download-card p {
  color: var(--muted);
  font-size: 14px;
}

.download-card .download-link {
  min-width: 176px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  counter-reset: setup;
}

.step {
  position: relative;
  padding: 30px 0 0 70px;
  border-top: 1px solid var(--line);
  counter-increment: setup;
}

.step::before {
  position: absolute;
  top: 22px;
  left: 0;
  content: "0" counter(setup);
  color: #0b7a83;
  font-family: Consolas, monospace;
  font-size: 34px;
  font-weight: 900;
}

.step h3 {
  margin-bottom: 8px;
}

.step p {
  color: var(--muted);
  font-size: 14px;
}

.help-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  align-items: start;
}

.help-index {
  position: sticky;
  top: 100px;
  padding: 22px;
  color: #dff8f5;
  background: var(--slate);
  border-radius: 14px;
}

.help-index strong {
  display: block;
  margin-bottom: 14px;
}

.help-index a {
  display: block;
  padding: 9px 0;
  color: #b7cdd1;
  border-bottom: 1px solid #314b53;
  font-size: 13px;
}

.help-index a:hover {
  color: var(--mint);
}

.help-articles {
  display: grid;
  gap: 22px;
}

.help-article {
  scroll-margin-top: 104px;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.help-article h2 {
  margin-bottom: 14px;
  font-size: 28px;
}

.help-article p,
.help-article li {
  color: var(--muted);
}

.help-article ol,
.help-article ul {
  padding-left: 22px;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: center;
  padding: 34px;
  color: #ebfffd;
  background: var(--slate);
  border-radius: 16px;
}

.contact-panel p {
  margin-bottom: 0;
  color: #bbd0d3;
}

.site-footer {
  color: #b9cdd1;
  background: #0d2027;
  border-top: 1px solid #28424a;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 0.7fr);
  gap: 50px;
  padding: 66px 0 44px;
}

.footer-brand p {
  max-width: 410px;
  margin-top: 18px;
  color: #8fa8ad;
  font-size: 13px;
}

.footer-col strong {
  display: block;
  margin-bottom: 15px;
  color: #ecfffd;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  color: #95acb1;
  font-size: 13px;
}

.footer-col a:hover {
  color: var(--mint);
}

.footer-bottom {
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 22px 0;
  border-top: 1px solid #28424a;
  color: #7f979c;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1040px) {
  .main-nav {
    position: fixed;
    top: 74px;
    right: 20px;
    left: 20px;
    display: none;
    padding: 18px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: var(--shadow);
  }

  .main-nav.open {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .nav-shell {
    grid-template-columns: 1fr auto auto;
  }

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

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

  .hero-copy-area {
    max-width: 770px;
  }

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

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

  .lab-layout,
  .route-layout {
    grid-template-columns: 1fr;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .price-panel > p,
  .price-panel ul {
    min-height: 0;
  }

  .news-grid {
    grid-template-columns: 1fr 1fr;
  }

  .news-item:first-child {
    grid-column: span 2;
  }
}

@media (max-width: 760px) {
  .container {
    width: min(calc(100% - 28px), var(--max));
  }

  .nav-action {
    display: none;
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .main-nav.open {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 64px 0 58px;
  }

  .hero-grid {
    gap: 38px;
  }

  h1 {
    font-size: clamp(40px, 13vw, 62px);
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-actions .button {
    width: 100%;
  }

  .diagnostic-strip {
    position: static;
    margin: 0;
    border-width: 1px 0 0;
    border-radius: 0 0 20px 20px;
  }

  .status-grid,
  .platform-grid,
  .download-matrix,
  .faq-list,
  .steps,
  .news-grid,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .news-item:first-child {
    grid-column: auto;
  }

  .status-item,
  .status-item:last-child {
    border-right: 0;
    border-bottom: 1px solid #35515a;
  }

  .section {
    padding: 76px 0;
  }

  .platform {
    min-height: 280px;
  }

  .agency,
  .contact-panel {
    grid-template-columns: 1fr;
    padding: 34px 26px;
  }

  .page-hero {
    padding: 64px 0 42px;
  }

  .page-hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .download-card {
    grid-template-columns: 1fr;
    padding: 28px;
  }

  .download-card .download-link {
    width: 100%;
    min-width: 0;
  }

  .help-layout {
    grid-template-columns: 1fr;
  }

  .help-index {
    position: static;
  }

  .footer-bottom {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* Hero media sizing guard */
.hero-grid {
  align-items: center;
}

.hero-media {
  align-self: center;
  height: auto;
  padding: 0;
  margin-top: 0;
  margin-bottom: 0;
  overflow: visible;
  transform: none;
}

.hero-media > img {
  display: block;
  width: 100%;
  height: auto;
  min-height: 0;
  max-height: none;
  padding: 0;
  margin: 0;
  object-fit: contain;
  object-position: center;
  clip-path: none;
  transform: none;
}