:root {
  --paper: #f5f9fb;
  --paper-2: #eaf3f8;
  --ink: #0b1f33;
  --muted: #667889;
  --accent: #0879c8;
  --accent-deep: #045990;
  --line: rgba(8, 121, 200, 0.14);
  --shell: rgba(255, 255, 255, 0.58);
  --core: rgba(255, 255, 255, 0.9);
  --radius-outer: 30px;
  --radius-inner: 24px;
  --radius-tight: 14px;
  --container: 1210px;
  --shadow-cloud: 0 34px 90px rgba(6, 52, 91, 0.15);
  --shadow-soft: 0 18px 42px rgba(6, 52, 91, 0.11);
  --motion: cubic-bezier(0.32, 0.72, 0, 1);
}

* {
  box-sizing: border-box;
}

html {
  width: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
  overflow-x: hidden;
}

body {
  width: 100%;
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 84% 6%, rgba(8, 121, 200, 0.16), transparent 30%),
    radial-gradient(circle at 8% 22%, rgba(55, 184, 165, 0.14), transparent 26%),
    linear-gradient(180deg, #fbfdff 0%, var(--paper) 32%, #eef6fa 100%);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", "Clash Display", "HarmonyOS Sans SC", "Microsoft YaHei UI", "PingFang SC", sans-serif;
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.036;
  background-image:
    radial-gradient(circle, rgba(11, 31, 51, 0.8) 1px, transparent 1px),
    linear-gradient(90deg, transparent, rgba(11, 31, 51, 0.35), transparent);
  background-size: 18px 18px, 220px 100%;
  mix-blend-mode: multiply;
}

body > * {
  position: relative;
  z-index: 2;
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 40;
  transform: translateY(-150%);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
}

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

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.section-pad {
  padding: 132px 0;
}

.premium-nav-shell {
  position: sticky;
  top: 18px;
  z-index: 30;
  width: min(var(--container), calc(100% - 48px));
  margin: 18px auto -86px;
}

.premium-nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: 0 24px 70px rgba(6, 52, 91, 0.12);
  backdrop-filter: blur(22px) saturate(170%);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  padding: 8px 10px 8px 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 122px;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.primary-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: #31475b;
  font-size: 13px;
  font-weight: 800;
  padding: 0 15px;
  transition: transform 520ms var(--motion), color 520ms var(--motion), background 520ms var(--motion);
}

.primary-nav a:hover,
.primary-nav a:focus-visible,
.primary-nav a.is-active {
  background: rgba(8, 121, 200, 0.08);
  color: var(--accent-deep);
  transform: translateY(-1px);
}

.nav-cta {
  gap: 10px;
  background: var(--ink);
  color: #fff !important;
  padding-right: 6px !important;
}

.nav-cta span,
.btn span {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
  transition: transform 620ms var(--motion), background 620ms var(--motion);
}

.nav-cta:hover span,
.btn:hover span {
  transform: translate(4px, -1px) scale(1.05);
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: 100dvh;
  display: grid;
  align-items: center;
  padding: 148px 0 96px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  gap: 58px;
  align-items: center;
}

.eyebrow {
  width: max-content;
  max-width: 100%;
  margin: 0 0 22px;
  border: 1px solid rgba(8, 121, 200, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.68);
  color: var(--accent-deep);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  padding: 7px 12px;
}

h1,
h2,
h3,
p,
strong,
span,
a,
dd,
dt,
figcaption {
  min-width: 0;
}

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

h1,
h2,
h3 {
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6.8vw, 96px);
  line-height: 0.98;
  letter-spacing: 0;
  font-weight: 950;
}

h2 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(36px, 4.7vw, 68px);
  line-height: 1.02;
  letter-spacing: 0;
  font-weight: 930;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.18;
  font-weight: 900;
}

.hero-text,
.section-head p {
  max-width: 64ch;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.btn {
  min-height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  padding: 4px 6px 4px 24px;
  box-shadow: var(--shadow-soft);
  transition: transform 620ms var(--motion), background 620ms var(--motion), color 620ms var(--motion), box-shadow 620ms var(--motion);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 54px rgba(6, 52, 91, 0.18);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-quiet {
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
}

.btn-quiet span {
  background: rgba(8, 121, 200, 0.1);
}

.hero-stage {
  transform: rotate(1.2deg);
}

.stage-shell,
.bento-shell,
.image-shell,
.poster-shell,
.policy-shell,
.contact-shell {
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-outer);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.7), rgba(225, 239, 248, 0.58)),
    var(--shell);
  box-shadow: var(--shadow-cloud);
  padding: 8px;
}

.stage-core,
.bento-core,
.image-core,
.poster-core,
.policy-core,
.contact-core {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-inner);
  background: var(--core);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.stage-core {
  min-height: 610px;
  background: #0b2238;
}

.stage-core > img {
  width: 100%;
  height: 610px;
  object-fit: cover;
  object-position: center;
  opacity: 0.64;
  filter: saturate(0.82) contrast(1.04);
}

.stage-core::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 27, 45, 0.78), rgba(8, 27, 45, 0.18) 62%),
    radial-gradient(circle at 78% 20%, rgba(8, 121, 200, 0.22), transparent 32%);
}

.stage-dashboard {
  position: absolute;
  left: 34px;
  top: 42px;
  z-index: 2;
  width: min(440px, calc(100% - 68px));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 22px;
  background: rgba(9, 31, 52, 0.88);
  color: #fff;
  padding: 28px;
}

.stage-dashboard span,
.stage-channel span {
  display: block;
  color: rgba(235, 246, 252, 0.68);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.stage-dashboard strong {
  display: block;
  margin-top: 10px;
  font-size: 26px;
  line-height: 1.22;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 24px;
}

.dashboard-grid i {
  min-height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.09);
  color: rgba(255, 255, 255, 0.92);
  font-style: normal;
  font-size: 13px;
  font-weight: 800;
}

.stage-channel {
  position: absolute;
  right: 26px;
  bottom: 28px;
  z-index: 2;
  width: min(420px, calc(100% - 52px));
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 30px 70px rgba(6, 52, 91, 0.2);
  padding: 24px;
}

.stage-channel span {
  color: var(--muted);
}

.stage-channel strong {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  line-height: 1.35;
}

.metrics {
  border-block: 1px solid rgba(8, 121, 200, 0.12);
  background: rgba(255, 255, 255, 0.7);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(8, 121, 200, 0.11);
}

.metric {
  display: block;
  min-height: 156px;
  background: rgba(255, 255, 255, 0.92);
  padding: 32px 26px;
}

.metric strong {
  display: block;
  color: var(--accent);
  font-size: clamp(28px, 3.2vw, 46px);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.section-head {
  margin-bottom: 50px;
}

.premium-bento {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(250px, 0.85fr) minmax(250px, 0.85fr);
  gap: 18px;
}

.bento-large {
  grid-row: span 2;
}

.bento-core {
  min-height: 290px;
  padding: 30px;
}

.bento-large .bento-core {
  min-height: 600px;
  background:
    radial-gradient(circle at 15% 10%, rgba(8, 121, 200, 0.18), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(231, 243, 249, 0.94));
}

.card-index {
  display: inline-flex;
  margin-bottom: 80px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 950;
}

.bento-core p,
.capability-list dd,
.ops-row span,
.policy-core span,
.contact-core span {
  color: var(--muted);
}

.channel-cloud {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 34px;
}

.channel-cloud span {
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(8, 121, 200, 0.16);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.channel-cloud span:last-child {
  grid-column: 1 / -1;
  color: var(--accent-deep);
}

.platform {
  background: rgba(255, 255, 255, 0.52);
}

.platform-grid,
.operations-grid,
.product-grid,
.partner-grid,
.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(380px, 1fr);
  gap: 62px;
  align-items: center;
}

.capability-list {
  margin: 36px 0 0;
  border-top: 1px solid rgba(8, 121, 200, 0.14);
}

.capability-list div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(8, 121, 200, 0.14);
}

.capability-list dt {
  font-weight: 950;
}

.capability-list dd {
  margin: 0;
}

.image-core {
  background: #071f42;
  padding: 12px;
}

.image-core img {
  width: 100%;
  border-radius: 18px;
}

.image-core p {
  margin: 12px 8px 6px;
  color: rgba(235, 246, 252, 0.82);
  font-weight: 800;
}

.operations {
  background:
    radial-gradient(circle at 8% 42%, rgba(8, 121, 200, 0.1), transparent 30%),
    rgba(255, 255, 255, 0.42);
}

.ops-list {
  display: grid;
  gap: 12px;
}

.ops-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-soft);
  padding: 22px 24px;
}

.ops-row strong {
  font-size: 18px;
}

.products {
  background:
    linear-gradient(180deg, rgba(232, 242, 248, 0.8), rgba(245, 249, 251, 0.96)),
    var(--paper-2);
}

.poster-shell {
  margin: 0;
}

.poster-core {
  padding: 18px;
}

.poster-core img {
  width: 100%;
  height: 480px;
  border-radius: 18px;
  object-fit: cover;
  object-position: top center;
}

.poster-shell figcaption {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  padding-left: 8px;
}

.device-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  margin-top: 34px;
}

.device-card {
  min-height: 230px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow-soft);
  padding: 18px;
  transition: transform 620ms var(--motion), box-shadow 620ms var(--motion);
}

.device-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-cloud);
}

.device-card img {
  width: 100%;
  height: 150px;
  object-fit: contain;
}

.device-card span {
  display: block;
  margin-top: 16px;
  font-weight: 950;
}

.policy-core,
.contact-core {
  padding: 10px;
}

.policy-core div,
.contact-core div {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 20px;
  border-radius: 16px;
  padding: 20px;
}

.policy-core div + div,
.contact-core div + div {
  border-top: 1px solid rgba(8, 121, 200, 0.12);
}

.policy-core strong,
.contact-core strong {
  line-height: 1.5;
}

.proof {
  background: rgba(255, 255, 255, 0.5);
}

.cert-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.cert-card {
  margin: 0;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow-soft);
  padding: 16px;
}

.cert-card img {
  width: 100%;
  height: 228px;
  object-fit: contain;
  border-radius: 16px;
  background: #fff;
}

.cert-card figcaption {
  padding: 14px 6px 2px;
  color: #334b61;
  font-size: 14px;
  font-weight: 900;
}

.qr-box {
  min-height: 190px;
  display: grid !important;
  grid-template-columns: 1fr !important;
  place-items: center;
  border: 1px dashed rgba(8, 121, 200, 0.26) !important;
  background:
    radial-gradient(circle at 50% 50%, rgba(8, 121, 200, 0.07), transparent 52%),
    #fff;
  color: var(--muted);
  font-weight: 900;
  text-align: center;
}

.site-footer {
  background: #081d31;
  color: rgba(239, 247, 252, 0.82);
  padding: 42px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.footer-inner img {
  width: 108px;
}

.footer-inner p {
  margin: 0;
}

.footer-inner span {
  font-weight: 900;
}

.mobile-bottom-actions {
  display: none;
}

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

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(56px);
  filter: blur(10px);
  transition:
    opacity 900ms var(--motion),
    transform 900ms var(--motion),
    filter 900ms var(--motion);
}

.js-enabled .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

:focus-visible {
  outline: 3px solid rgba(8, 121, 200, 0.34);
  outline-offset: 4px;
}

@media (max-width: 980px) {
  .premium-nav-shell {
    width: calc(100% - 28px);
    max-width: var(--container);
  }

  .menu-toggle {
    width: 48px;
    height: 48px;
    position: relative;
    z-index: 34;
    flex: 0 0 auto;
    display: inline-grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: var(--ink);
    padding: 0;
  }

  .menu-toggle span {
    position: absolute;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform 620ms var(--motion);
  }

  .menu-toggle span:first-child {
    transform: translateY(-4px);
  }

  .menu-toggle span:last-child {
    transform: translateY(4px);
  }

  .menu-toggle.is-open span:first-child {
    transform: rotate(45deg);
  }

  .menu-toggle.is-open span:last-child {
    transform: rotate(-45deg);
  }

  .primary-nav {
    position: fixed;
    inset: 16px;
    z-index: 33;
    display: none;
    align-items: stretch;
    justify-content: center;
    flex-direction: column;
    gap: 10px;
    border-radius: 32px;
    background: rgba(8, 24, 40, 0.86);
    backdrop-filter: blur(26px) saturate(160%);
    -webkit-backdrop-filter: blur(26px) saturate(160%);
    padding: 92px 24px 24px;
  }

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

  .primary-nav a {
    min-height: 58px;
    justify-content: flex-start;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transform: translateY(24px);
    animation: navItem 620ms var(--motion) forwards;
    animation-delay: var(--item-delay);
  }

  .nav-cta {
    background: #fff;
    color: var(--ink) !important;
  }

  .hero {
    padding-top: 128px;
  }

  .hero-grid,
  .platform-grid,
  .operations-grid,
  .product-grid,
  .partner-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    transform: none;
  }

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

  .premium-bento {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bento-large {
    grid-column: span 2;
  }

  .device-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@keyframes navItem {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 640px) {
  html {
    scroll-padding-top: 92px;
  }

  body {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }

  .container {
    width: calc(100% - 32px);
    max-width: var(--container);
  }

  .section-pad {
    padding: 70px 0;
  }

  .premium-nav-shell {
    top: 10px;
    width: calc(100% - 28px);
    margin: 10px auto -76px;
  }

  .premium-nav {
    min-height: 64px;
    gap: 12px;
    border-radius: 28px;
    padding: 8px 8px 8px 14px;
  }

  .brand img {
    width: 106px;
  }

  .menu-toggle {
    width: 46px;
    height: 46px;
  }

  .primary-nav {
    inset: 84px 14px auto;
    border-radius: 24px;
    padding: 12px;
  }

  .primary-nav a {
    min-height: 50px;
    border-radius: 16px;
    font-size: 15px;
    padding: 0 16px;
  }

  .nav-cta {
    padding-right: 10px !important;
  }

  .nav-cta span,
  .btn span {
    width: 30px;
    height: 30px;
  }

  .hero {
    min-height: auto;
    padding: 118px 0 52px;
  }

  .hero-grid,
  .platform-grid,
  .operations-grid,
  .product-grid,
  .partner-grid,
  .contact-grid {
    gap: 28px;
  }

  h1 {
    max-width: 10em;
    margin-bottom: 16px;
    font-size: clamp(32px, 8.9vw, 40px);
    line-height: 1.08;
    text-wrap: balance;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  h2 {
    margin-bottom: 14px;
    font-size: clamp(27px, 7.6vw, 34px);
    line-height: 1.12;
    overflow-wrap: anywhere;
    word-break: normal;
  }

  h3 {
    font-size: 21px;
  }

  .eyebrow {
    margin-bottom: 14px;
    font-size: 11px;
    letter-spacing: 0.05em;
  }

  .hero-text,
  .section-head p {
    font-size: 16px;
    line-height: 1.72;
  }

  .hero-copy {
    min-width: 0;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: 100%;
    margin-top: 24px;
  }

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

  .btn {
    min-width: 0;
    min-height: 52px;
    gap: 8px;
    justify-content: center;
    padding: 4px 6px 4px 16px;
    font-size: 15px;
  }

  .stage-shell,
  .bento-shell,
  .image-shell,
  .poster-shell,
  .policy-shell,
  .contact-shell {
    border-radius: 24px;
    padding: 7px;
  }

  .stage-core,
  .bento-core,
  .image-core,
  .poster-core,
  .policy-core,
  .contact-core {
    border-radius: 18px;
  }

  .stage-core,
  .stage-core > img {
    min-height: 0;
    height: auto;
  }

  .stage-core > img {
    height: 220px;
  }

  .stage-dashboard,
  .stage-channel {
    position: relative;
    inset: auto;
    width: calc(100% - 24px);
    margin: 12px;
    border-radius: 18px;
  }

  .stage-dashboard {
    padding: 18px;
  }

  .stage-dashboard strong {
    font-size: 20px;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 18px;
  }

  .dashboard-grid i {
    min-height: 40px;
    font-size: 12px;
  }

  .stage-channel {
    padding: 18px;
  }

  .stage-channel strong {
    font-size: 17px;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric {
    min-height: 106px;
    padding: 18px;
  }

  .metric strong {
    font-size: 30px;
  }

  .metric span {
    font-size: 13px;
  }

  .metric:last-child {
    grid-column: 1 / -1;
    min-height: 96px;
  }

  .section-head {
    margin-bottom: 24px;
  }

  .premium-bento {
    grid-template-columns: 1fr;
  }

  .bento-large {
    grid-column: span 1;
  }

  .bento-large .bento-core,
  .bento-core {
    min-height: 0;
    padding: 22px;
  }

  .card-index {
    margin-bottom: 34px;
  }

  .channel-cloud {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin-top: 22px;
  }

  .channel-cloud span {
    min-height: 40px;
    font-size: 12px;
  }

  .channel-cloud span:last-child {
    grid-column: 1 / -1;
  }

  .capability-list {
    margin-top: 24px;
  }

  .capability-list div {
    grid-template-columns: minmax(74px, 88px) minmax(0, 1fr);
    gap: 12px;
    padding: 14px 0;
  }

  .image-core {
    padding: 8px;
  }

  .image-core p {
    margin: 10px 6px 5px;
    font-size: 13px;
  }

  .ops-list {
    gap: 10px;
  }

  .ops-row,
  .policy-core div,
  .contact-core div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .ops-row {
    border-radius: 18px;
    padding: 18px;
  }

  .ops-row strong {
    font-size: 17px;
  }

  .product-grid {
    margin-bottom: 18px;
  }

  .poster-core {
    padding: 8px;
  }

  .poster-core img {
    height: auto;
    min-height: 0;
    max-height: none;
    object-fit: contain;
    background: #fff;
  }

  .poster-shell figcaption {
    margin-top: 10px;
    padding: 0 4px 2px;
    font-size: 13px;
  }

  .device-strip,
  .cert-grid {
    width: calc(100% - 16px);
    display: grid;
    grid-auto-flow: column;
    gap: 12px;
    overflow-x: auto;
    margin-inline: 16px 0;
    padding: 4px 16px 12px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .device-strip::-webkit-scrollbar,
  .cert-grid::-webkit-scrollbar {
    display: none;
  }

  .device-strip {
    grid-template-columns: none;
    grid-auto-columns: minmax(138px, 42%);
    margin-top: 14px;
  }

  .device-card,
  .cert-card {
    min-width: 0;
    scroll-snap-align: start;
  }

  .device-card {
    min-height: 166px;
    border-radius: 18px;
    padding: 14px;
  }

  .device-card img {
    height: 96px;
  }

  .device-card span {
    margin-top: 10px;
    font-size: 13px;
  }

  .policy-core div,
  .contact-core div {
    padding: 16px;
  }

  .cert-grid {
    grid-template-columns: none;
    grid-auto-columns: minmax(212px, 64%);
    margin-top: 10px;
  }

  .cert-card {
    border-radius: 20px;
    padding: 12px;
  }

  .cert-card img {
    height: 164px;
  }

  .qr-box {
    min-height: 150px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .site-footer {
    padding: 34px 0 calc(108px + env(safe-area-inset-bottom));
  }

  .mobile-bottom-actions {
    position: fixed;
    left: 50%;
    bottom: 0;
    z-index: 29;
    width: min(100%, 480px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    transform: translateX(-50%);
    border-top: 1px solid rgba(8, 121, 200, 0.12);
    background: rgba(248, 252, 255, 0.92);
    backdrop-filter: blur(18px) saturate(160%);
    -webkit-backdrop-filter: blur(18px) saturate(160%);
    padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  }

  .mobile-bottom-actions a {
    min-height: 48px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 900;
  }

  .mobile-bottom-actions a:first-child {
    background: rgba(255, 255, 255, 0.9);
    color: var(--ink);
  }

  .mobile-bottom-actions a:last-child {
    background: var(--accent);
    color: #fff;
    box-shadow: var(--shadow-soft);
  }

  .js-enabled .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

@media (max-width: 360px) {
  .hero-actions {
    grid-template-columns: 1fr;
  }

  .device-strip {
    grid-auto-columns: minmax(140px, 54%);
  }

  .cert-grid {
    grid-auto-columns: minmax(220px, 76%);
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .js-enabled .reveal {
    opacity: 1;
    transform: none;
    filter: none;
  }
  
}


/* 资质区域所有 figcaption 都居中 */
.proof .cert-card figcaption {
  text-align: center;
}

/* 同时确保卡片内图片也居中（可选） */
.proof .cert-card img {
  display: block;
  margin-left: auto;
  margin-right: auto;
}