:root {
  --about-bg: #0d0502;
  --about-muted: #d6d8d9;
  --about-soft: #e7e7e7;
  --about-brand: #b81c22;
  --about-gray: #595757;
  --about-inner: 83.333vw;
  --zs-muted: #d6d8d9;
  --zs-brand: #b81c22;
  --zs-inner: 83.333vw;
}

body.zs-about {
  background: var(--about-bg);
  color: #fff;
}

.about-page {
  width: 100%;
  position: relative;
}

.page-shell {
  width: 100%;
  height: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: visible;
}

.about-intro {
  padding: 7.812vw 0 6.25vw !important;
}

.about-intro-grid {
  gap: 2.5vw !important;
}

.about-mission {
  margin-top: 7.812vw !important;
  padding: 0 !important;
}

.about-production-content {
  padding: 3.125vw 3.333vw 2.812vw !important;
}

.about-honor {
  padding: 6.145vw 0 !important;
}

.about-manufacturing,
.about-timeline {
  padding: 5.208vw 0 !important;
}

.zs-inner {
  width: var(--zs-inner);
  margin: 0 auto;
  padding: 0 2.083vw;
  box-sizing: border-box;
}

.about-container {
  width: var(--about-inner);
  margin: 0 auto;
  padding: 0 0 2.083vw;
  box-sizing: border-box;
}

.about-title-center {
  text-align: center;
}

.about-title-center span {
  color: #fff;
}

.about-hero {
  z-index: 0;
  min-height: 56.25vw;
  padding-top: 4.062vw;
  transform: translate3d(0, 0, 0);
  will-change: transform;

  position: sticky;
  left: 0;
  top: 0;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
}

.about-hero-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.35), rgba(0, 0, 0, 0.2));
  pointer-events: none;
}

.about-hero-inner {
  position: relative;
  z-index: 1;
  min-height: calc(56.25vw - 4.062vw);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  text-align: center;
  gap: 1.145vw;
  padding-top: 19.583vw;
  box-sizing: border-box;
}

.about-hero-inner h1 {
  margin: 0;
  max-width: 76.041vw;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 800;
  line-height: 1.5;
}

.about-hero-inner p {
  margin: 0;
  color: var(--about-soft);
  max-width: 58.333vw;
  padding-left: 0;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 1.5;
}

.about-intro {
  z-index: 2;
  padding: 7.812vw 0 6.25vw;
  background: #241918;
  box-shadow: 0 -1.458vw 3.75vw rgba(0, 0, 0, 0.28);
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.about-intro-grid {
  display: grid;
  width: min(100%, 84.218vw);
  max-width: 84.218vw;
  grid-template-columns: minmax(0, 32.395vw) minmax(0, 46.979vw);
  justify-content: space-between;
  gap: 3.958vw;
  align-items: start;
  min-height: 32.864vw;
}

.about-intro-text h2 {
  margin: 6.197vw 0 1.25vw;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 800;
  line-height: 3.75vw;
}

.about-intro-text p {
  margin: 0 0 1.406vw;
  color: var(--about-soft);
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 1.406vw;
  letter-spacing: 0;
}

.about-intro-text h2 span {
  display: block;
  font-size: 2.5vw !important;
  font-weight: 800 !important;
  line-height: 3.75vw;
}

.about-intro-text p span {
  display: block;
  font-size: 0.937vw !important;
  font-weight: 300 !important;
  line-height: 1.406vw;
  letter-spacing: 0;
}

.about-intro-text p:last-child {
  margin-bottom: 0;
}

.about-intro-media {
  width: 46.979vw;
  max-width: 46.979vw;
  height: 32.864vw;
  border-radius: 1.041vw;
  overflow: hidden;
}

.about-intro-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.about-page>section:not(.about-hero) {
  position: relative;
  z-index: 2;
}

.about-mission {
  margin-top: 7.812vw;
  padding: 0;
  background: transparent;
  width: 87.5vw;
}

.about-mission .about-title-center {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.about-mission-cta {
  margin-top: 1.25vw;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.52vw;
  padding: 0.625vw 2.291vw;
  border-radius: 52.031vw;
  background: #b81c22;
  color: #ffffff;
  text-decoration: none;
  transition:
    background-color 0.24s ease,
    transform 0.24s ease,
    box-shadow 0.24s ease;
}

.about-mission-cta:hover {
  background: #ffffff;
  color: #b81c22;
  transform: translateY(-0.052vw);
  box-shadow: 0 0.52vw 1.145vw rgba(255, 255, 255, 0.18);
}

.about-mission-cta:focus-visible {
  outline: 0.104vw solid rgba(255, 255, 255, 0.9);
  outline-offset: 0.156vw;
}

.about-mission-cta-label {
  display: block;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.833vw;
  font-weight: 500;
  line-height: 1.25vw;
}

.about-mission-cta-arrow {
  width: 0.364vw;
  height: 0.364vw;
  border-top: 0.104vw solid currentColor;
  border-right: 0.104vw solid currentColor;
  transform: rotate(45deg);
  flex: 0 0 auto;
  margin-right: 0.052vw;
}

.about-mission.is-pending .about-title-center,
.about-mission.is-pending .about-mission-grid {
  opacity: 0;
  transform: translate3d(0, 2.916vw, 0);
}

.about-mission.is-pending .about-card {
  opacity: 0;
  transform: translate3d(0, 3.75vw, 0);
}

.about-mission .about-title-center,
.about-mission .about-mission-grid,
.about-mission .about-card {
  transition:
    opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.about-mission.is-visible .about-title-center,
.about-mission.is-visible .about-mission-grid,
.about-mission.is-visible .about-card {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.about-mission.is-visible .about-card:nth-child(1) {
  transition-delay: 0.08s;
}

.about-mission.is-visible .about-card:nth-child(2) {
  transition-delay: 0.16s;
}

.about-mission.is-visible .about-card:nth-child(3) {
  transition-delay: 0.24s;
}

.about-mission-grid {
  margin: 2.812vw auto 0;
  display: grid;
  width: min(100%, 83.333vw);
  max-width: 83.333vw;
  grid-template-columns: repeat(3, 27.083vw);
  gap: 1.041vw;
  justify-content: space-between;
}

.about-card {
  position: relative;
  width: 100%;
  min-height: 15.104vw;
  background: transparent;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.25vw;
}

.about-card::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24.166vw;
  height: 10.937vw;
  border: 0.052vw solid #4c4c4c;
  border-radius: 0.833vw;
  transform: translate(-50%, -50%);
}

.about-card>* {
  position: relative;
  z-index: 1;
}

.about-card-icon {
  width: 2.5vw;
  height: 2.5vw;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-card-icon img {
  width: 2.5vw;
  height: 2.5vw;
  object-fit: contain;
  transition: filter 0.25s ease;
}

.about-card:hover .about-card-icon img {
  filter: brightness(0) saturate(100%) invert(17%) sepia(92%) saturate(3365%) hue-rotate(347deg) brightness(86%) contrast(94%);
}

.about-card h3 {
  margin: 0;
  width: 11.458vw;
  line-height: 2.5vw;
}

.about-card h3 span {
  display: block;
  font-size: 1.666vw !important;
  font-weight: 800 !important;
  line-height: 2.5vw;
}

.about-card p {
  margin: 0;
  width: 18.75vw;
  max-width: 100%;
  color: #ffffff;
  line-height: 1.406vw;
  white-space: nowrap;
}

.about-card p span {
  display: block;
  font-size: 0.937vw !important;
  font-weight: 300 !important;
  line-height: 1.406vw;
  letter-spacing: 0;
}

.about-domain {
  position: relative;
  height: 50vw;
  min-height: 50vw;
  max-height: 50vw;
  background: #e7e7e7;
  overflow: hidden;
}

.about-domain-media {
  position: absolute;
  right: 0;
  top: 0;
  width: 46.822vw;
  height: 50vw;
  overflow: hidden;
}

.about-domain-media-item {
  position: absolute;
  inset: 0;
  opacity: 0;
  transform: translate3d(0, -12%, 0);
  transition:
    opacity 0.5s ease,
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.about-domain-media-item:first-child {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.about-domain-media-item[data-domain-state="before"] {
  transform: translate3d(0, -12%, 0);
}

.about-domain-media-item[data-domain-state="after"] {
  transform: translate3d(0, 12%, 0);
}

.about-domain-media-item.is-active {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.about-domain-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-domain-inner {
  position: relative;
  z-index: 1;
  width: 83.333vw;
  max-width: 83.333vw;
  height: 50vw;
  min-height: 50vw;
  max-height: 50vw;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 12.864vw 0 0;
  box-sizing: border-box;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.about-domain-left {
  width: 36.666vw;
  color: #595757;
  display: grid;
  grid-template-columns: 22.708vw 7.864vw;
  column-gap: 6.093vw;
  align-items: start;
}

.about-domain-left h2 {
  margin: 0;
  color: #595757;
  grid-column: 1 / -1;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
  line-height: 2.864vw;
}

.about-domain-left h2 span {
  line-height: 2.864vw;
}

.about-domain-highlight {
  color: #b81c22;
}

.about-domain-sub {
  margin: 1.25vw 0 6.822vw;
  color: #595757;
  grid-column: 1 / -1;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 300;
  line-height: 2.864vw;
  letter-spacing: -0.058vw;
}

.about-domain-sub span {
  font-size: 1.979vw !important;
  line-height: 2.864vw;
}

.about-domain-timeline {
  grid-column: 1;
  max-width: 22.708vw;
}

.about-domain-timeline h3 {
  margin: 0 0 1.197vw;
  color: #101828;
  font-family: "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
  line-height: 1.458vw;
}

.about-domain-timeline h3 span {
  line-height: 1.458vw;
}

.about-domain-divider {
  width: 100%;
  height: 0.052vw;
  background: rgba(153, 161, 175, 0.6);
}

.about-domain-current {
  margin-top: 0.52vw;
  display: flex;
  align-items: center;
  gap: 0.781vw;
}

.about-dot {
  width: 0.625vw;
  height: 0.625vw;
  border-radius: 0.208vw;
  background: #b81c22;
  flex-shrink: 0;
}

.about-domain-month {
  color: #c8161d;
  line-height: 2.083vw;
  letter-spacing: 0.093vw;
}

.about-domain-month,
.about-domain-month span {
  line-height: 2.083vw;
}

.about-domain-timeline p {
  margin: 0.416vw 0 0 1.562vw;
  color: #6a7282;
  line-height: 1.197vw;
  letter-spacing: 0.018vw;
}

.about-domain-timeline p span {
  line-height: 1.197vw;
}

.about-domain-years {
  grid-column: 2;
  align-self: start;
  margin-top: 1.875vw;
  width: 7.864vw;
  max-height: none;
  overflow: visible;
  display: flex;
  flex-direction: column;
  gap: 2.5vw;
  color: #595757;
  padding-right: 0;
  scrollbar-width: none;
}

.about-domain-years::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.about-domain-year {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.833vw;
  cursor: pointer;
  user-select: none;
}

.about-domain-year span:first-child {
  font-size: 1.25vw;
  line-height: 1.5;
}

.about-domain-year-line {
  width: 1.666vw;
  height: 2.239vw;
  background:
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 0 / 1.666vw 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 0.416vw / 1.666vw 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 0.833vw / 1.666vw 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 1.25vw / 1.666vw 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 1.666vw / 1.666vw 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 2.083vw / 1.666vw 0.052vw no-repeat;
}

.about-domain-year--active {
  color: #101828;
}

.about-domain-year--active span:first-child {
  font-size: 1.875vw;
  line-height: 1;
}

.about-domain-year--active .about-domain-year-line {
  width: 3.333vw;
  height: 0.052vw;
  background: #c8161d;
}

.about-domain-year--active::after {
  content: "";
  position: absolute;
  right: -1.145vw;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-top: 0.468vw solid transparent;
  border-bottom: 0.468vw solid transparent;
  border-right: 0.625vw solid #c8161d;
}

.about-domain-year:focus-visible {
  outline: 0.104vw solid #c8161d;
  outline-offset: 0.156vw;
  border-radius: 0.208vw;
}

.about-domain-year span {
  transition: color 0.2s ease;
}

.about-domain-year:hover span:first-child {
  color: #101828;
}

.about-domain-year:hover .about-domain-year-line {
  background:
    linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) top / 100% 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) center / 100% 0.052vw no-repeat,
    linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) bottom / 100% 0.052vw no-repeat;
}

.about-values-strip {
  position: relative;
  z-index: 5;
  background: #171313;
  padding: 8.645vw 0 5.729vw;
}

.about-values-grid {
  display: grid;
  width: min(100%, 77.083vw);
  max-width: 77.083vw;
  margin: 0 auto;
  grid-template-columns: repeat(3, 8.437vw);
  align-items: start;
  justify-content: space-between;
  justify-items: center;
  gap: 0;
}

.about-values-item {
  width: 8.437vw;
  text-align: center;
  color: #ffffff;
}

.about-values-item h3 {
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 2.968vw;
  line-height: 2.968vw;
}

.about-values-item p {
  width: 8.437vw;
  margin: 1.302vw 0 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.406vw;
}

.about-values-item h3 span {
  font-size: 3.333vw !important;
  line-height: 2.968vw;
}

.about-values-item p span {
  display: block;
  font-size: 0.937vw !important;
  font-weight: 300 !important;
  line-height: 1.406vw;
}

.about-system-intelligence {
  position: relative;
  z-index: 15;
  height: 50vw;
  min-height: 50vw;
  max-height: 50vw;
  background: #e7e7e7;
}

.about-system-media {
  height: 50vw;
  min-height: 50vw;
  max-height: 50vw;
}

.about-system-media img {
  width: 100%;
  height: 50vw;
  object-fit: cover;
  display: block;
}

.about-system-media video {
  width: 100%;
  height: 50vw;
  object-fit: cover;
  display: block;
}

.about-system-overlay {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.07), rgba(0, 0, 0, 0.07)),
    linear-gradient(90deg, rgba(231, 231, 231, 0.39), rgba(231, 231, 231, 0.39));
  backdrop-filter: blur(0.833vw);
  opacity: 1;
  transform: translateY(50%);
  transition: transform 0.45s ease, opacity 0.35s ease;
  pointer-events: auto;
}

.about-system-overlay:hover {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.about-system-inner {
  min-height: 12.5vw;
  padding-top: 1.458vw;
  padding-bottom: 1.25vw;
}

.about-system-inner h2 {
  margin: 0;
  color: #000000;
}

.about-system-inner p {
  margin: 0.416vw 0 1.354vw;
  color: #000000;
}

.about-system-inner h2 span,
.about-system-inner p span {
  color: inherit;
}

.about-system-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.52vw;
}

.about-system-tab {
  min-height: 5.833vw;
  border-top: 0.052vw solid #000000;
  padding-top: 0.833vw;
  color: #000000;
  cursor: pointer;
  transition: border-top-color 0.25s ease, color 0.25s ease;
}

.about-system-tab span {
  display: block;
  margin-bottom: 0.416vw;
}

.about-system-tab h3 {
  margin: 0;
}

.about-system-tab.on {
  border-top-color: #b81c22;
  color: #b81c22;
}

.about-system-tab:hover h3 span {
  font-weight: 700;
}

.about-system-tab.is-active {
  border-top-color: #e7e7e7;
  color: #e7e7e7;
}

.about-production-block {
  position: relative;
  z-index: 20;
  min-height: 50vw;
  display: grid;
  grid-template-columns: 50vw 50vw;
  background: #e7e7e7;
}

.about-production-media {
  position: sticky;
  left: 0;
  top: 4.687vw;
  overflow: hidden;
  margin-top: 3.125vw;
  width: 50vw;
  height: 50vw;

}

.about-production-track {
  position: relative;
  width: 100%;
  height: 39.583vw;
}

.about-production-track .ev {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  border-radius: 0.833vw;
  overflow: hidden;
}

.about-production-track .ev img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.about-production-track .ev video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.about-production-track .ev:nth-child(2) {
  clip-path: inset(100% 0% 0% 0%);
  -webkit-clip-path: inset(100% 0% 0% 0%);
  will-change: clip-path;
}

.about-production-content {
  width: 50vw;
  padding: 3.958vw 6.875vw 3.333vw;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
}

.about-production-head h2 {
  margin: 0;
  color: #595757;
  width: 36.25vw;
  text-align: center;
  line-height: 3.75vw;
}

.about-production-head h2 span {
  line-height: 3.75vw;
}

.about-production-card {
  margin-top: auto;
  position: relative;
  padding-top: 1.145vw;
  max-width: 36.458vw;
}

.about-production-list {
  margin-top: 30.312vw;
  display: grid;
  gap: 0.937vw;
  align-content: end;
  width: 36.25vw;
}

.about-production-item {
  position: relative;
  width: 36.25vw;
  max-width: 36.25vw;
  padding-top: 1.041vw;
  transition:
    opacity 0.42s ease,
    transform 0.7s ease,
    filter 0.42s ease;
  cursor: pointer;
}

.about-production-item:nth-last-child(n+2) {
  margin-bottom: 22.5vw;
}

.about-production-item:nth-last-child(1) {
  margin-bottom: 28.125vw;
}

.about-production-card-line {
  height: 0.052vw;
  background: rgba(89, 87, 87, 0.45);
  margin-bottom: 1.458vw;
  transform-origin: left center;
  transform: scaleX(1);
  transition: transform 0.55s ease, background-color 0.3s ease;
}

.about-production-card h3 {
  margin: 0 0 0.729vw;
  color: #595757;
}

.about-production-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.833vw;
  margin-bottom: 1.458vw;
}

.about-production-title-row h3 {
  margin: 0;
}

.about-production-item .about-production-title-row h3 {
  color: #595757;
  transition: color 0.3s ease;
  line-height: 2.5vw;
}

.about-production-title-row h3 span {
  line-height: 2.5vw;
}

.about-production-card p {
  margin: 0;
  max-width: 27.083vw;
  color: #595757;
  line-height: 1.6;
}

.about-production-item p {
  margin: 0;
  max-width: 26.875vw;
  color: #595757;
  line-height: 1.406vw;
  overflow: hidden;
  transition:
    max-height 0.65s ease,
    opacity 0.32s ease,
    transform 0.65s ease;
}

.about-production-item p span {
  line-height: 1.406vw;
}

.about-production-arrow {
  position: relative;
  flex-shrink: 0;
  width: 2.395vw;
  height: 2.395vw;
  border: none;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0.208vw 0.625vw rgba(0, 0, 0, 0.12);
  cursor: pointer;
  transition:
    transform 0.35s ease,
    opacity 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease;
}

.about-production-item.is-active .about-production-arrow {
  opacity: 1;
  transform: none;
}

.about-production-item:hover,
.about-production-item:focus-within {
  opacity: 0.9;
}

.about-production-arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 46%;
  width: 0.52vw;
  height: 0.52vw;
  border-right: 0.078vw solid #c8161d;
  border-bottom: 0.078vw solid #c8161d;
  transform: translate(-50%, -50%) rotate(45deg);
}

body.about-production-scroll-lock {
  overflow: hidden !important;
  touch-action: none;
}

.about-honor {
  height: 58.333vw;
  min-height: 58.333vw;
  max-height: 58.333vw;
  padding: 6.145vw 0;
  box-sizing: border-box;
  background: #e7e7e7;
}

.about-honor-title {
  margin: 0;
  text-align: center;
  color: #595757;
}

.about-honor-list {
  margin-top: 3.437vw;
  position: relative;
}

.about-honor-row {
  display: grid;
  grid-template-columns: 9.375vw 1fr;
  gap: 31.25vw;
  align-items: center;
  width: 100%;
  min-height: 4.895vw;
  padding-right: 2.916vw;
  box-sizing: border-box;
  border-bottom: 0.052vw solid rgba(89, 87, 87, 0.2);
  color: #595757;
  transition: border-color 0.2s ease, color 0.2s ease;
  position: relative;
  z-index: 2;
}

.about-honor-year {
  color: inherit;
}

.about-honor-name {
  color: inherit;
}

.about-honor-row.is-active {
  border-bottom-color: #b81c22;
  color: #595757;
}

.about-honor-arrow {
  width: 1.875vw;
  height: 1.875vw;
  border: 0.052vw solid rgba(89, 87, 87, 0.35);
  border-radius: 50%;
  background: transparent;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}

.about-honor-arrow::before {
  content: "";
  position: absolute;
  left: 45%;
  top: 50%;
  width: 0.416vw;
  height: 0.416vw;
  border-right: 0.078vw solid #595757;
  border-bottom: 0.078vw solid #595757;
  transform: translate(-50%, -50%) rotate(-45deg);
}

.about-honor-row.is-active .about-honor-arrow {
  opacity: 1;
}

.about-honor-preview {
  position: absolute;
  left: 18.75vw;
  top: 0.52vw;
  width: 7.291vw;
  height: 9.687vw;
  border-radius: 0.416vw;
  overflow: hidden;
  opacity: 0;
  transform: translateY(0.52vw);
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 3;
  pointer-events: none;
}

.about-honor-preview.is-show {
  opacity: 1;
  transform: translateY(0);
}

.about-honor-preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-manufacturing {
  padding: 5.208vw 0;
  background: #f5f5f5;
}

.about-manufacturing .about-title-center span {
  color: #111111;
}

.about-manufacturing-grid {
  margin-top: 1.666vw;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.041vw;
}

.about-manufacturing-item {
  background: #fff;
  border-radius: 0.833vw;
  overflow: hidden;
}

.about-manufacturing-item img {
  width: 100%;
  height: 17.708vw;
  object-fit: cover;
  display: block;
}

.about-manufacturing-item p {
  margin: 0;
  padding: 0.937vw 1.041vw 1.25vw;
  color: var(--about-gray);
  line-height: 1.7;
}

.about-timeline {
  padding: 5.208vw 0;
  background: #ffffff;
}

.about-timeline .about-title-center span {
  color: #111111;
}

.about-timeline-list {
  margin-top: 1.458vw;
  border-top: 0.052vw solid #dcdcdc;
}

.about-timeline-item {
  display: grid;
  grid-template-columns: 7.291vw 1fr;
  gap: 0.625vw;
  align-items: center;
  min-height: 3.333vw;
  border-bottom: 0.052vw solid #e8e8e8;
  color: #474747;
}

.zs-section-partners {
  padding: 10.416vw 0 10.416vw;
  overflow: hidden;
  background: #131010;
}

.zs-section-partners .zs-inner {
  width: 100%;
  max-width: none;
  padding-left: 0;
  padding-right: 0;
}

.zs-partners-title span {
  color: #fff;
}

.zs-partners-scroll {
  margin-top: 4.166vw;
  overflow: hidden;
  mask-image: none;
}

.zs-partners-track {
  display: flex;
  gap: 1.666vw;
  width: max-content;
  animation: zs-partners-marquee 40s linear infinite;
}

.zs-partners-track.reverse {
  margin-top: 1.666vw;
  animation-direction: reverse;
}

@keyframes zs-partners-marquee {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(-50%);
  }
}

.zs-partner-logo {
  flex: 0 0 14.791vw;
  height: 6.25vw;
  border-radius: 1.041vw;
  background: #efefef;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.zs-partner-logo img {
  max-width: 92%;
  max-height: 78%;
  object-fit: contain;
}

.about-contact {
  position: relative;
  min-height: 22.343vw;
}

.about-contact-bg {
  position: absolute;
  inset: 0;
}

.about-contact-bg img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.about-contact-inner {
  position: relative;
  z-index: 1;
  min-height: 22.343vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4.01vw;
}

.about-contact-logo {
  width: 5.989vw;
  height: 1.562vw;
  object-fit: contain;
}

.about-contact-inner h2,
.about-contact-inner p {
  margin: 0;
}

.about-contact-copy {
  display: flex;
  flex-direction: column;
  gap: 1.25vw;
}

.about-contact-inner h2 {
  color: #e7e7e7;
  line-height: 1;
}

.about-contact-inner p {
  color: #b2afad;
  line-height: 1;
}

.about-contact-btn {
  min-width: 7.812vw;
  height: 2.5vw;
  border-radius: 1.875vw;
  background: var(--about-brand);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.416vw;
  padding: 0 1.927vw;
  text-decoration: none;
  transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.about-contact-arrow {
  width: 0.729vw;
  height: 0.729vw;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter 0.25s ease;
}

.about-contact-arrow img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-contact-btn:hover {
  background: #ffffff;
  color: var(--about-brand);
  box-shadow: 0 0.52vw 1.25vw rgba(0, 0, 0, 0.2);
  transform: translateY(-0.104vw);
}

.about-contact-btn:hover .about-contact-arrow {
  filter: brightness(0) saturate(100%) invert(16%) sepia(78%) saturate(3106%) hue-rotate(339deg) brightness(92%) contrast(92%);
}

body.zs-about .zs-footer {
  position: relative;
  min-height: 36.875vw;
  padding: 7.5vw 0 0;
  background: linear-gradient(180deg, #050403 0%, #090808 100%);
  overflow: hidden;
}

body.zs-about .zs-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background: none;
  pointer-events: none;
}

body.zs-about .zs-footer-inner {
  position: relative;
  z-index: 1;
  width: 83.333vw;
  max-width: calc(100% - 16.666vw);
  margin: 0 auto;
  padding: 0;
}

body.zs-about .zs-footer-top {
  display: grid;
  grid-template-columns: 22.395vw max-content 15.572vw;
  gap: 0 4.895vw;
  align-items: start;
}

body.zs-about .footer-logo {
  width: 9.322vw;
  height: 2.5vw;
}

body.zs-about .zs-address {
  width: 21.875vw;
  margin-top: 2.031vw;
}

body.zs-about .zs-addr-row {
  gap: 1.25vw;
  margin-bottom: 1.25vw;
}

body.zs-about .zs-addr-row:last-child {
  margin-bottom: 0;
}

body.zs-about .zs-addr-row img {
  width: 1.562vw;
  height: 1.25vw;
  flex: 0 0 auto;
}

body.zs-about .zs-addr-row span {
  color: #d6d8d9;
  line-height: 1.25vw;
  white-space: nowrap;
}

body.zs-about .zs-footer-links-grid {
  display: grid;
  grid-template-columns: 6.25vw 7.5vw 7.5vw 5vw;
  gap: 0 3.229vw;
}

body.zs-about .footer-links-col .footer-col-title {
  margin: 0 0 1.25vw;
}

body.zs-about .footer-links-col .footer-col-title span {
  color: #ffffff;
  line-height: 1.875vw;
}

body.zs-about .footer-links-col .footer-links li+li {
  margin-top: 0.833vw;
}

body.zs-about .footer-links-col a {
  text-decoration: none;
}

body.zs-about .footer-links-col a span {
  color: #d6d8d9;
  line-height: 1.25vw;
}

body.zs-about .zs-footer-aside {
  justify-self: end;
  width: 15.572vw;
}

body.zs-about .zs-phone-block {
  gap: 1.25vw;
  align-items: flex-start;
}

body.zs-about .zs-phone-block>img {
  width: 2.812vw;
  height: 2.812vw;
}

body.zs-about .zs-phone {
  margin: 0;
}

body.zs-about .zs-phone span {
  color: #ffffff;
  line-height: 2.239vw;
  letter-spacing: -0.093vw;
}

body.zs-about .zs-phone-desc {
  margin: 0;
}

body.zs-about .zs-phone-desc span {
  color: #d6d8d9;
  line-height: 1.25vw;
}

body.zs-about .zs-social {
  margin-top: 0.833vw;
  gap: 1.25vw;
  flex-wrap: nowrap;
}

body.zs-about .zs-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

body.zs-about .zs-social a:nth-child(1) img {
  width: 1.354vw;
  height: 1.25vw;
}

body.zs-about .zs-social a:nth-child(2) img,
body.zs-about .zs-social a:nth-child(4) img {
  width: 1.666vw;
  height: 1.666vw;
}

body.zs-about .zs-social a:nth-child(3) img {
  width: 2.968vw;
  height: 1.041vw;
}

body.zs-about .zs-social a:nth-child(5) img {
  width: 2.916vw;
  height: 2.916vw;
}

body.zs-about .zs-footer-divider {
  margin: 7.291vw 0 0;
  height: 0.052vw;
  background: rgba(255, 255, 255, 0.14);
}

body.zs-about .zs-footer-bottom {
  position: relative;
  min-height: 3.437vw;
  display: block;
  padding-top: 1.25vw;
}

body.zs-about .zs-legal {
  position: absolute;
  left: 0;
  top: -2.447vw;
  display: flex;
  gap: 2.187vw;
}

body.zs-about .zs-legal a {
  text-decoration: none;
}

body.zs-about .zs-legal a span {
  color: #ffffff;
  line-height: 1.302vw;
}

body.zs-about .zs-footer-bottom .footer-copy {
  margin: 0;
}

body.zs-about .zs-footer-bottom .footer-copy span {
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.302vw;
}

.page-shell {
  overflow: visible !important;
}

/* 
*======================================================media===============================================================
*/
@media screen and (max-width: 768px) {
  :root {
    --about-inner: 92%;
    --zs-inner: 92%;
  }

  .about-page {
    width: 100%;
  }

  .page-shell {
    width: 100%;
    display: flex;
    flex-direction: column;
    overflow: visible !important;
  }

  /* 容器与公共 padding */
  .zs-inner {
    width: var(--zs-inner);
    padding: 0;
  }

  .about-container {
    width: var(--about-inner);
    padding: 0 0 4%;
  }

  /* 关键覆盖：禁用 PC 端的 vw 内边距/上边距 */
  .about-intro {
    padding: 60px 0 50px !important;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.28);
  }

  .about-intro-grid {
    gap: 28px !important;
  }

  .about-mission {
    margin-top: 50px !important;
    padding: 0 !important;
    width: var(--about-inner);
  }

  .about-production-content {
    padding: 32px 16px 30px !important;
  }

  .about-honor {
    padding: 50px 0 !important;
  }

  .about-manufacturing,
  .about-timeline {
    padding: 50px 0 !important;
  }

  /* ===== 首屏 Hero ===== */
  .about-hero {
    position: relative !important;
    min-height: 520px;
    padding-top: 56px;
    transform: none !important;
    will-change: auto;
  }

  .about-hero-bg img {
    width: 100%;
    height: 100%;
  }

  .about-hero-bg::after {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.3));
  }

  .about-hero-inner {
    min-height: calc(520px - 56px);
    gap: 14px;
    padding: 140px 0 32px;
    align-items: center;
    text-align: center;
  }

  .about-hero-inner h1 {
    max-width: 92%;
    line-height: 1.4;
  }

  .about-hero-inner p {
    max-width: 92%;
    line-height: 1.5;
  }

  /* ===== 关于智身：介绍模块 ===== */
  .about-intro {
    transform: none !important;
    will-change: auto;
  }

  .about-intro-grid {
    width: 100%;
    max-width: 100%;
    grid-template-columns: 1fr;
    gap: 28px;
    min-height: 0;
  }

  .about-intro-text {
    width: 90%;
    margin: 0 auto;
    order: 1;
  }

  .about-intro-media {
    order: 2;
  }

  .about-intro-text h2 {
    margin: 0 0 14px;
    line-height: 1.3;
  }

  .about-intro-text p {
    margin: 0 0 12px;
    line-height: 1.7;
  }

  .about-intro-text h2 span {
    font-size: 24px !important;
    line-height: 1.3;
  }

  .about-intro-text p span {
    font-size: 14px !important;
    line-height: 1.7;
  }

  .about-intro-media {
    width: 100%;
    max-width: 100%;
    height: auto;
    aspect-ratio: 4 / 3;
    border-radius: 10px;
  }

  .about-intro-media img {
    width: 100%;
    height: 100%;
  }

  /* ===== 使命愿景 ===== */
  .about-mission .about-title-center {
    text-align: center;
  }

  .about-mission-cta {
    margin-top: 16px;
    gap: 6px;
    padding: 6px 20px;
    border-radius: 999px;
  }

  .about-mission-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(255, 255, 255, 0.12);
  }

  .about-mission-cta:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.9);
    outline-offset: 2px;
  }

  .about-mission-cta-label {
    font-size: 13px;
    line-height: 1.4;
  }

  .about-mission-cta-arrow {
    width: 6px;
    height: 6px;
    border-top: 1.5px solid currentColor;
    border-right: 1.5px solid currentColor;
  }

  .about-mission.is-pending .about-title-center,
  .about-mission.is-pending .about-mission-grid {
    transform: translate3d(0, 24px, 0);
  }

  .about-mission.is-pending .about-card {
    transform: translate3d(0, 28px, 0);
  }

  .about-mission-grid {
    margin: 28px auto 0;
    width: 100%;
    max-width: 100%;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-card {
    width: 100%;
    min-height: 140px;
    gap: 12px;
    padding: 22px 16px;
  }

  .about-card::before {
    width: 100%;
    height: 100%;
    border: 1px solid #4c4c4c;
    border-radius: 12px;
  }

  .about-card-icon {
    width: 36px;
    height: 36px;
  }

  .about-card-icon img {
    width: 36px;
    height: 36px;
  }

  .about-card h3 {
    width: auto;
    line-height: 1.3;
  }

  .about-card h3 span {
    font-size: 18px !important;
    line-height: 1.3;
  }

  .about-card p {
    width: 100%;
    max-width: 100%;
    line-height: 1.6;
    white-space: normal;
  }

  .about-card p span {
    font-size: 13px !important;
    line-height: 1.6;
  }

  /* ===== 深耕智能领域 ===== */
  .about-domain {
    height: auto;
    min-height: 0;
    max-height: none;
    padding: 50px 0;
  }

  .about-domain-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0.35;
  }

  .about-domain-media-item,
  .about-domain-media-item[data-domain-state="before"],
  .about-domain-media-item[data-domain-state="after"] {
    transform: none;
  }

  .about-domain-media img {
    width: 100%;
    height: 100%;
  }

  .about-domain-inner {
    position: relative;
    z-index: 2;
    width: var(--about-inner);
    max-width: var(--about-inner);
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    padding: 0;
    transform: none !important;
    will-change: auto;
  }

  .about-domain-left {
    width: 100%;
    grid-template-columns: 1fr 60px;
    column-gap: 16px;
  }

  .about-domain-left h2 span {
    font-size: 26px !important;
    line-height: 1.3;
  }

  .about-domain-left h2 {
    line-height: 1.3;
  }

  .about-domain-sub {
    margin: 10px 0 28px;
    line-height: 1.4;
    letter-spacing: 0;
  }

  .about-domain-sub span {
    font-size: 16px !important;
    line-height: 1.4;
  }

  .about-domain-timeline {
    max-width: 100%;
  }

  .about-domain-timeline h3 {
    margin: 0 0 12px;
    line-height: 1.3;
  }

  .about-domain-timeline h3 span {
    line-height: 1.3;
  }

  .about-domain-divider {
    height: 1px;
  }

  .about-domain-current {
    margin-top: 10px;
    gap: 8px;
  }

  .about-dot {
    width: 8px;
    height: 8px;
    border-radius: 3px;
  }

  .about-domain-month {
    line-height: 1.3;
    letter-spacing: 0.5px;
  }

  .about-domain-month,
  .about-domain-month span {
    font-size: 18px !important;
    line-height: 1.3;
  }

  .about-domain-timeline p {
    margin: 8px 0 0 16px;
    line-height: 1.5;
    letter-spacing: 0;
  }

  .about-domain-timeline p span {
    line-height: 1.5;
    font-size: 13px !important;
  }

  .about-domain-years {
    margin-top: 0;
    width: 60px;
    gap: 18px;
  }

  .about-domain-year {
    gap: 8px;
  }

  .about-domain-year span:first-child {
    font-size: 14px;
  }

  .about-domain-year-line {
    width: 18px;
    height: 24px;
    background:
      linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 0 / 18px 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 5px / 18px 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 10px / 18px 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 15px / 18px 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.4), rgba(200, 22, 29, 0.4)) 0 20px / 18px 1px no-repeat;
  }

  .about-domain-year--active span:first-child {
    font-size: 20px;
  }

  .about-domain-year--active .about-domain-year-line {
    width: 32px;
    height: 1px;
  }

  .about-domain-year--active::after {
    right: -10px;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-right: 6px solid #c8161d;
  }

  .about-domain-year:focus-visible {
    outline: 2px solid #c8161d;
    outline-offset: 2px;
    border-radius: 4px;
  }

  .about-domain-year:hover .about-domain-year-line {
    background:
      linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) top / 100% 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) center / 100% 1px no-repeat,
      linear-gradient(rgba(200, 22, 29, 0.65), rgba(200, 22, 29, 0.65)) bottom / 100% 1px no-repeat;
  }

  /* ===== 数据条 ===== */
  .about-values-strip {
    padding: 50px 0 40px;
  }

  .about-values-grid {
    width: 92%;
    max-width: 92%;
    grid-template-columns: repeat(3, 1fr);
    gap: 0 8px;
    justify-items: center;
  }

  .about-values-item {
    width: 100%;
    max-width: 110px;
  }

  .about-values-item h3 {
    min-height: 0;
    line-height: 1.1;
  }

  .about-values-item p {
    width: 100%;
    margin: 8px 0 0;
    line-height: 1.5;
  }

  .about-values-item h3 span {
    font-size: 32px !important;
    line-height: 1.1;
  }

  .about-values-item p span {
    font-size: 12px !important;
    line-height: 1.5;
  }

  /* ===== 系统级智能 ===== */
  .about-system-intelligence {
    height: auto;
    min-height: 0;
    max-height: none;
  }

  .about-system-media {
    height: 240px;
    min-height: 0;
    max-height: none;
  }

  .about-system-media img,
  .about-system-media video {
    width: 100%;
    height: 240px;
  }

  .about-system-overlay {
    position: relative;
    bottom: auto;
    transform: none;
    backdrop-filter: blur(8px);
    background: #e7e7e7;
    pointer-events: auto;
  }

  .about-system-overlay:hover {
    transform: none;
  }

  .about-system-inner {
    min-height: 0;
    padding: 24px 0 28px;
  }

  .about-system-inner h2 span {
    font-size: 22px !important;
    line-height: 1.3;
  }

  .about-system-inner p {
    margin: 8px 0 16px;
  }

  .about-system-inner p span {
    font-size: 14px !important;
    line-height: 1.5;
  }

  .about-system-tabs {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .about-system-tab {
    min-height: 70px;
    border-top: 1px solid #000;
    padding-top: 10px;
  }

  .about-system-tab span {
    margin-bottom: 6px;
    font-size: 12px !important;
  }

  .about-system-tab h3 span {
    font-size: 16px !important;
  }

  /* ===== 量产实力 / 整机制造 ===== */
  .about-production-block {
    min-height: 0;
    grid-template-columns: 1fr;
  }

  .about-production-media {
    position: relative;
    top: auto;
    margin-top: 0;
    width: 100%;
    height: auto;
    aspect-ratio: 16 / 11;
  }

  .about-production-track {
    width: 100%;
    height: 100%;
  }

  .about-production-track .ev {
    border-radius: 10px;
  }

  .about-production-track .ev img,
  .about-production-track .ev video {
    width: 100%;
    height: 100%;
  }

  .about-production-track .ev:nth-child(2) {
    clip-path: inset(100% 0% 0% 0%);
    -webkit-clip-path: inset(100% 0% 0% 0%);
  }

  .about-production-content {
    width: 100%;
  }

  .about-production-head h2 {
    width: 100%;
    line-height: 1.3;
  }

  .about-production-head h2 span {
    font-size: 22px !important;
    line-height: 1.3;
  }

  .about-production-card {
    padding-top: 14px;
    max-width: 100%;
  }

  .about-production-list {
    margin-top: 28px;
    gap: 18px;
    width: 100%;
  }

  .about-production-item {
    width: 100%;
    max-width: 100%;
    padding-top: 14px;
  }

  .about-production-item:nth-last-child(n+2),
  .about-production-item:nth-last-child(1) {
    margin-bottom: 0;
  }

  .about-production-card-line {
    height: 1px;
    margin-bottom: 14px;
  }

  .about-production-card h3 {
    margin: 0 0 8px;
  }

  .about-production-title-row {
    gap: 12px;
    margin-bottom: 12px;
  }

  .about-production-item .about-production-title-row h3,
  .about-production-title-row h3 span {
    line-height: 1.3;
    font-size: 18px !important;
  }

  .about-production-card p,
  .about-production-item p {
    max-width: 100%;
    line-height: 1.7;
  }

  .about-production-item p span {
    font-size: 13px !important;
    line-height: 1.7;
  }

  .about-production-arrow {
    width: 32px;
    height: 32px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
  }

  .about-production-arrow::before {
    width: 6px;
    height: 6px;
    border-right: 1.5px solid #c8161d;
    border-bottom: 1.5px solid #c8161d;
  }

  /* ===== 智身荣誉 ===== */
  .about-honor {
    height: auto;
    min-height: 0;
    max-height: none;
    z-index: 4 !important;
  }

  .about-honor-list {
    margin-top: 18px;
  }

  .about-honor-row {
    grid-template-columns: 60px 1fr;
    gap: 12px;
    min-height: 52px;
    padding-right: 40px;
    border-bottom: 1px solid rgba(89, 87, 87, 0.2);
  }

  .about-honor-year span {
    font-size: 18px !important;
  }

  .about-honor-name span {
    font-size: 13px !important;
    line-height: 1.4;
  }

  .about-honor-arrow {
    width: 26px;
    height: 26px;
    border: 1px solid rgba(89, 87, 87, 0.35);
  }

  .about-honor-arrow::before {
    width: 5px;
    height: 5px;
    border-right: 1.5px solid #595757;
    border-bottom: 1.5px solid #595757;
  }

  /* 移动端隐藏图片预览（屏幕太小不适合悬浮预览） */
  .about-honor-preview {
    left: 60px;
    top: 10px;
    width: 140px;
    height: 186px;
    border-radius: 8px;
    transform: translateY(10px);
  }

  /* ===== 工厂图片墙 ===== */
  .about-manufacturing-grid {
    margin-top: 18px;
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .about-manufacturing-item {
    border-radius: 10px;
  }

  .about-manufacturing-item img {
    height: 200px;
  }

  .about-manufacturing-item p {
    padding: 12px 14px 16px;
  }

  /* ===== 时间线 ===== */
  .about-timeline-list {
    margin-top: 16px;
    border-top: 1px solid #dcdcdc;
  }

  .about-timeline-item {
    grid-template-columns: 80px 1fr;
    gap: 10px;
    min-height: 52px;
    border-bottom: 1px solid #e8e8e8;
  }

  /* ===== 合作伙伴 ===== */
  .zs-section-partners {
    padding: 50px 0;
  }

  .zs-section-partners .zs-inner {
    width: 100%;
  }

  .zs-partners-scroll {
    margin-top: 24px;
  }

  .zs-partners-track {
    gap: 12px;
    animation-duration: 30s;
  }

  .zs-partners-track.reverse {
    margin-top: 12px;
  }

  .zs-partner-logo {
    flex: 0 0 130px;
    height: 56px;
    border-radius: 10px;
  }

  .zs-partner-logo img {
    max-width: 86%;
    max-height: 74%;
  }

  /* ===== 联系卡片（与 common.css 同步） ===== */
  .about-contact {
    min-height: 320px;
  }

  .about-contact-bg img {
    width: 100%;
    height: 100%;
  }

  .about-contact-inner {
    min-height: 320px;
    gap: 28px;
    align-items: flex-start;
  }

  .about-contact-inner h2 span {
    font-size: 22px !important;
    line-height: 1.3;
  }

  .about-contact-inner p span {
    font-size: 14px !important;
    line-height: 1.5;
  }

  .about-contact-logo {
    width: 88px;
    height: 22px;
  }

  .about-contact-copy {
    gap: 12px;
  }

  .about-contact-btn {
    min-width: 130px;
    height: 40px;
    border-radius: 22px;
    gap: 8px;
    padding: 0 18px;
  }

  .about-contact-arrow {
    width: 12px;
    height: 12px;
  }

  .about-contact-btn:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    transform: translateY(-1px);
  }

  .about-contact-btn:hover .about-contact-arrow {
    filter: brightness(0) saturate(100%) invert(16%) sepia(78%) saturate(3106%) hue-rotate(339deg) brightness(92%) contrast(92%);
  }

  /* ===== zs-about 页脚（与 common.css 移动端样式一致） ===== */
  body.zs-about .zs-footer {
    min-height: 0;
    padding: 50px 0 30px;
  }

  body.zs-about .zs-footer-inner {
    width: 92%;
    max-width: 92%;
  }

  body.zs-about .zs-footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  body.zs-about .footer-logo {
    width: 100px;
    height: auto;
  }

  body.zs-about .zs-address {
    width: 100%;
    margin-top: 20px;
  }

  body.zs-about .zs-addr-row {
    gap: 12px;
    margin-bottom: 14px;
    align-items: flex-start;
  }

  body.zs-about .zs-addr-row img {
    width: 18px;
    height: 14px;
    margin-top: 4px;
  }

  body.zs-about .zs-addr-row span {
    line-height: 1.5;
    white-space: normal;
  }

  body.zs-about .zs-footer-links-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  body.zs-about .footer-links-col .footer-col-title {
    margin: 0 0 12px;
  }

  body.zs-about .footer-links-col .footer-col-title span {
    line-height: 1.4;
  }

  body.zs-about .footer-links-col .footer-links li + li {
    margin-top: 8px;
  }

  body.zs-about .footer-links-col a span {
    line-height: 1.6;
  }

  body.zs-about .zs-footer-aside {
    width: 100%;
  }

  body.zs-about .zs-phone-block {
    gap: 14px;
    align-items: center;
  }

  body.zs-about .zs-phone-block > img {
    width: 40px;
    height: 40px;
  }

  body.zs-about .zs-phone span {
    line-height: 1.3;
    letter-spacing: -0.5px;
  }

  body.zs-about .zs-phone-desc span {
    line-height: 1.5;
  }

  body.zs-about .zs-social {
    margin-top: 16px;
    gap: 16px;
    flex-wrap: wrap;
  }

  body.zs-about .zs-social a:nth-child(1) img {
    width: 22px;
    height: 20px;
  }

  body.zs-about .zs-social a:nth-child(2) img,
  body.zs-about .zs-social a:nth-child(4) img {
    width: 26px;
    height: 26px;
  }

  body.zs-about .zs-social a:nth-child(3) img {
    width: 44px;
    height: 16px;
  }

  body.zs-about .zs-social a:nth-child(5) img {
    width: 36px;
    height: 36px;
  }

  body.zs-about .zs-footer-divider {
    margin: 32px 0 0;
    height: 1px;
  }

  body.zs-about .zs-footer-bottom {
    min-height: 0;
    padding-top: 16px;
    display: flex;
    flex-direction: column-reverse;
    gap: 12px;
  }

  body.zs-about .zs-legal {
    position: static;
    top: auto;
    gap: 20px;
    flex-wrap: wrap;
  }

  body.zs-about .zs-legal a span,
  body.zs-about .zs-footer-bottom .footer-copy span {
    line-height: 1.6;
  }
}