:root {
  --mobile-bg: #071520;
  --mobile-surface: rgba(255, 255, 255, 0.94);
  --mobile-surface-soft: rgba(255, 255, 255, 0.78);
  --mobile-text: #102331;
  --mobile-text-soft: #5f7483;
  --mobile-brand: #89dfc2;
  --mobile-brand-strong: #2fa884;
  --mobile-border: rgba(16, 35, 49, 0.1);
  --mobile-shadow: 0 24px 60px rgba(7, 21, 32, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--mobile-text);
  font-family:
    "Source Han Sans SC",
    "PingFang SC",
    "Hiragino Sans GB",
    "Microsoft YaHei",
    sans-serif;
  background:
    radial-gradient(circle at top center, rgba(137, 223, 194, 0.18), transparent 22%),
    linear-gradient(180deg, #081822 0, #10283a 420px, #eff4f7 420px, #eff4f7 100%);
}

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

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

.mobile-shell {
  min-height: 100vh;
  padding-bottom: 92px;
}

.mobile-appbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 14px 12px;
  background: rgba(7, 21, 32, 0.88);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.mobile-brand img {
  width: 46px;
  height: 46px;
  padding: 5px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 28px rgba(3, 10, 18, 0.22);
}

.mobile-brand strong {
  display: block;
  color: #fff;
  font-size: 0.94rem;
  line-height: 1.2;
}

.mobile-brand span {
  display: block;
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-appbar__actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-lang,
.mobile-desktop {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.78rem;
  font-weight: 700;
}

.mobile-lang.is-current {
  color: #071520;
  border-color: transparent;
  background: linear-gradient(135deg, #d5f7ea, #89dfc2);
}

.mobile-main {
  display: grid;
  gap: 18px;
}

.mobile-shell--subpage .mobile-main {
  gap: 16px;
}

.mobile-shell--subpage {
  padding-bottom: 28px;
}

.mobile-hero {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  color: #fff;
}

.mobile-hero__media {
  position: absolute;
  inset: 0;
  background: #0b1f2d center / cover no-repeat;
}

.mobile-hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 320ms ease;
}

.mobile-hero__media.is-ready video {
  opacity: 1;
}

.mobile-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 21, 32, 0.38), rgba(7, 21, 32, 0.76)),
    linear-gradient(135deg, rgba(8, 24, 34, 0.82), rgba(8, 24, 34, 0.34) 45%, rgba(8, 24, 34, 0.78));
}

.mobile-hero__content {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 92px 16px 26px;
}

.mobile-kicker {
  margin: 0;
  color: var(--mobile-brand);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.mobile-hero h1 {
  margin: 0;
  max-width: 8.5ch;
  font-size: clamp(2.3rem, 12vw, 3.5rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
}

.mobile-hero p {
  margin: 0;
  max-width: 17em;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.94rem;
  line-height: 1.62;
}

.mobile-hero__actions {
  display: grid;
  gap: 8px;
}

.mobile-button,
.mobile-button--ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
}

.mobile-button {
  color: #081822;
  background: linear-gradient(135deg, #d6f8eb, #89dfc2);
  box-shadow: 0 18px 42px rgba(137, 223, 194, 0.24);
}

.mobile-button--ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.16);
}

.mobile-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mobile-chip {
  padding: 8px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.8rem;
}

.mobile-panel {
  margin-top: 6px;
  border-radius: 28px 28px 0 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 248, 250, 0.96));
  box-shadow: var(--mobile-shadow);
  overflow: hidden;
}

.mobile-quicknav {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.mobile-quicknav a {
  flex: none;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(16, 35, 49, 0.08);
  background: #fff;
  color: #355164;
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 42px;
  scroll-snap-align: start;
  box-shadow: 0 10px 24px rgba(7, 21, 32, 0.06);
}

.mobile-quicknav a.is-active {
  color: #081822;
  border-color: transparent;
  background: linear-gradient(135deg, #d6f8eb, #89dfc2);
}

.mobile-section {
  padding: 0 14px;
}

.mobile-subhero {
  display: grid;
  gap: 14px;
  padding: 30px 14px 12px;
}

.mobile-subhero h1 {
  margin: 0;
  color: #fff;
  font-size: 2rem;
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.mobile-subhero p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.98rem;
  line-height: 1.68;
}

.mobile-subhero__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mobile-section h2 {
  margin: 0;
  color: #0c1d29;
  font-size: 1.58rem;
  letter-spacing: -0.03em;
}

.mobile-section p {
  margin: 12px 0 0;
  color: var(--mobile-text-soft);
  line-height: 1.66;
  font-size: 0.96rem;
}

.mobile-card-grid,
.mobile-product-grid,
.mobile-trust-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.mobile-catalog-grid {
  display: grid;
  gap: 14px;
  margin-top: 16px;
}

.mobile-card,
.mobile-product-card,
.mobile-trust-card,
.mobile-contact-card,
.mobile-catalog-card,
.mobile-info-card {
  border: 1px solid var(--mobile-border);
  border-radius: 22px;
  background: var(--mobile-surface);
  box-shadow: var(--mobile-shadow);
}

.mobile-card {
  padding: 16px;
}

.mobile-card__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(137, 223, 194, 0.16);
  color: var(--mobile-brand-strong);
  font-weight: 800;
}

.mobile-card h3,
.mobile-product-card h3,
.mobile-trust-card h3,
.mobile-contact-card h3 {
  margin: 12px 0 0;
  color: #102331;
  font-size: 1.08rem;
}

.mobile-card p,
.mobile-product-card p,
.mobile-trust-card p,
.mobile-contact-card p {
  margin: 8px 0 0;
  color: var(--mobile-text-soft);
}

.mobile-card ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.mobile-card li {
  position: relative;
  padding-left: 16px;
  color: var(--mobile-text-soft);
}

.mobile-card li + li {
  margin-top: 6px;
}

.mobile-card li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mobile-brand-strong);
}

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

.mobile-product-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-catalog-card {
  padding: 16px;
}

.mobile-catalog-card__top {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.mobile-catalog-card__thumb {
  width: 92px;
  height: 92px;
  border-radius: 18px;
  object-fit: cover;
  border: 1px solid rgba(16, 35, 49, 0.08);
  background: rgba(8, 24, 34, 0.04);
}

.mobile-catalog-card__summary {
  display: grid;
  gap: 8px;
}

.mobile-catalog-card__summary h3 {
  margin: 0;
  color: #102331;
  font-size: 1.18rem;
}

.mobile-catalog-card__summary p {
  margin: 0;
  color: var(--mobile-text-soft);
  font-size: 0.92rem;
  line-height: 1.56;
}

.mobile-spec-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
}

.mobile-spec-list div {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(16, 35, 49, 0.08);
}

.mobile-spec-list div:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.mobile-spec-list dt {
  color: #5e7483;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mobile-spec-list dd {
  margin: 0;
  color: #213849;
  font-size: 0.92rem;
  line-height: 1.62;
}

.mobile-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 16px;
}

.mobile-spec-grid div {
  padding: 12px 12px 10px;
  border: 1px solid rgba(16, 35, 49, 0.08);
  border-radius: 16px;
  background: rgba(8, 24, 34, 0.025);
}

.mobile-spec-grid span {
  display: block;
  color: #5e7483;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mobile-spec-grid strong {
  display: block;
  margin-top: 8px;
  color: #142d3d;
  font-size: 0.96rem;
  line-height: 1.44;
}

.mobile-inline-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  margin-top: 16px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(16, 35, 49, 0.1);
  color: #163244;
  font-weight: 800;
  background: #fff;
}

.mobile-inline-link::after {
  content: "\2192";
  margin-left: 8px;
  font-size: 0.92rem;
}

.mobile-product-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.mobile-product-card__body {
  padding: 12px 12px 14px;
}

.mobile-product-meta {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(137, 223, 194, 0.14);
  color: #2e6f66;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.mobile-trust-grid {
  grid-template-columns: 1fr 1fr;
}

.mobile-trust-card {
  padding: 16px;
}

.mobile-trust-card strong {
  display: block;
  color: #0c1d29;
  font-size: 1.56rem;
  letter-spacing: -0.04em;
}

.mobile-contact-card {
  padding: 16px;
}

.mobile-info-card {
  padding: 16px;
}

.mobile-info-card__row {
  display: grid;
  gap: 6px;
  padding: 0 0 12px;
  border-bottom: 1px solid rgba(16, 35, 49, 0.08);
}

.mobile-info-card__row:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.mobile-info-card__row strong {
  color: #102331;
  font-size: 0.92rem;
}

.mobile-info-card__row span {
  color: var(--mobile-text-soft);
  font-size: 0.92rem;
  line-height: 1.62;
}

@media (max-width: 420px) {
  .mobile-catalog-card__top {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 12px;
  }

  .mobile-catalog-card__thumb {
    width: 76px;
    height: 76px;
    border-radius: 16px;
  }

  .mobile-spec-grid {
    grid-template-columns: 1fr;
  }

  .mobile-subhero__actions {
    grid-template-columns: 1fr;
  }
}

.mobile-contact-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.mobile-contact-item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(8, 24, 34, 0.04);
}

.mobile-contact-item span {
  color: #557082;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.mobile-dock {
  position: fixed;
  left: 10px;
  right: 10px;
  bottom: calc(env(safe-area-inset-bottom, 0px) + 10px);
  z-index: 40;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 48px rgba(7, 21, 32, 0.16);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.mobile-shell--subpage .mobile-dock {
  position: static;
  margin: 6px 14px 0;
}

.mobile-dock a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 8px;
  border-radius: 16px;
  color: #163244;
  font-size: 0.84rem;
  font-weight: 800;
}

.mobile-dock a.is-primary {
  color: #081822;
  background: linear-gradient(135deg, #d6f8eb, #89dfc2);
}

.mobile-footer {
  display: grid;
  gap: 8px;
  padding: 12px 14px 0;
  color: #6a8090;
  font-size: 0.78rem;
}

.mobile-footer strong {
  color: #233847;
}

.mobile-footer a {
  color: #355a6c;
  font-weight: 700;
}

@media (min-width: 861px) {
  body {
    background: #eff4f7;
  }

  .mobile-shell {
    max-width: 430px;
    margin: 0 auto;
    box-shadow: 0 30px 80px rgba(7, 21, 32, 0.14);
  }
}