:root {
  --color-primary: #0b9894;
  --color-primary-dark: #085856;
  --color-text: #111111;
  --color-text-soft: #696969;
  --color-bg-soft: #e8f3f1;
  --color-footer: #092938;
  --color-border: rgba(11, 152, 148, 0.5);
  --container-width: 1600px;
  --section-gap: 6.25vw;
  --card-radius: 1.25vw;
  --transition: 0.35s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  color: var(--color-text);
  background: #fff;
}

button,
input,
select,
textarea {
  appearance: none;
  -webkit-appearance: none;
}

.container {
  width: min(var(--container-width), calc(100% - 16.666vw));
  margin: 0 auto;
}

.section {
  position: relative;
}

/* 滚动分层动效：模块进入视口时由下向上浮现，增强层次感 */
.index-depth-item {
  position: relative;
  opacity: 0;
  transform: translateY(min(calc(46 / 1920 * 100vw), 46px)) scale(0.985);
  filter: saturate(0.96);
  transition:
    opacity 0.7s ease,
    transform 0.9s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.7s ease;
  transition-delay: var(--depth-delay, 0ms);
  will-change: opacity, transform, filter;
}
.index-depth-item.is-depth-visibl  {
  background-color:#fff;
}
.index-depth-item.is-depth-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: saturate(1);

}

@media (prefers-reduced-motion: reduce) {
  .index-depth-item {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }
}

.section-head {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.572vw;
}

.certification-head > div:first-child {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.572vw;
}

.section-title {
  flex: 1;
  min-width: 0;
  line-height: 1.2;
  font-weight: 500;
}

.section-kicker {
  display: block;
  width: 2.188vw;
  min-width: 42px;
  height: auto;
  aspect-ratio: 42 / 24;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  width: 100%;
  box-sizing: border-box;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  background: rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  height: 6.25vw;
  min-height: 96px;
  min-width: 0;
  box-sizing: border-box;
}

.brand {
  flex-shrink: 0;
}

.brand-vector {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.958vw;
  min-width: 76px;
}

.brand-vector > img:first-child {
  width: 100%;
  height: auto;
  display: block;
}

.brand-logo {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 55%;
  height: auto;
  display: block;
  pointer-events: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 3.698vw;
  color: #fff;
}

.site-menu-toggle,
.site-mobile-nav-overlay {
  display: none;
}

.site-nav a,
.footer-nav a,
.footer-legal a,
.footer-socials a,
.footer-social-link {
  position: relative;
}

.site-nav a::after,
.footer-nav a::after,
.footer-legal a::after,
.footer-socials a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.469vw;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width var(--transition);
}

.site-nav a:hover::after,
.footer-nav a:hover::after,
.footer-legal a:hover::after {
  width: 100%;
}

.footer-socials a::after,
.footer-social-link::after {
  display: none;
}

/* 关于CAC：悬停显示子导航下拉 */
.nav-dropdown-wrap {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.site-nav .about-sidenav {
  position: absolute;
  top: calc(100% + 0.208vw);
  left: 50%;
  transform: translateX(-50%);
  min-width: 10.417vw;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 0.625vw;
  padding: 0.417vw;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    visibility 0.25s ease;
}

.site-nav .about-sidenav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-nav .about-sidenav a {
  display: block;
  padding: 0.625vw 0.833vw;
  border-radius: 0.417vw;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.site-nav .about-sidenav a:hover,
.site-nav .about-sidenav a:focus-visible,
.site-nav .about-sidenav a.active {
  background: var(--color-primary);
  color: #fff;
}

.nav-dropdown-wrap:hover .about-sidenav,
.nav-dropdown-wrap:focus-within .about-sidenav {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-nav .about-sidenav a::after {
  display: none;
}

.header-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1.25vw;
}

.language-btn {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  line-height: 0;
}

.language-btn img {
  flex-shrink: 0;
  width: 1.823vw;
  min-width: 35px;
  height: 1.823vw;
  min-height: 35px;
  display: block;
  object-fit: contain;
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.729vw;
  width: 7.813vw;
  min-width: 150px;
  height: 2.448vw;
  min-height: 47px;
  padding: 0 0.521vw 0 1.458vw;
  border-radius: 999px;
  border: 1px solid currentColor;
  transition: transform var(--transition), background var(--transition), color var(--transition),
    border-color var(--transition);
}

.pill-btn::after {
  content: ">";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.771vw;
  min-width: 34px;
  height: 1.771vw;
  min-height: 34px;
  border-radius: 50%;
  background: currentColor;
  color: #fff;
  font-size: 12px;
  transform: translateX(0);
  transition: transform var(--transition);
}

.pill-btn:hover {
  transform: translateY(-2px);
}

.pill-btn:hover::after {
  transform: translateX(3px);
}

.pill-btn .pill-btn-icon {
  flex-shrink: 0;
  
  width: 1.771vw;
  min-width: 34px;
  height: 1.771vw;
  min-height: 34px;
  display: block;
  object-fit: contain;
  pointer-events: none;
  overflow: visible;
  transition: transform var(--transition);
}

.pill-btn:hover .pill-btn-icon {
  transform: translateX(3px);
}

.pill-btn-icon-disc,
.pill-btn-icon-chevron {
  transition: fill var(--transition);
}

.pill-btn-arrow-layer {
  transform-origin: 17px 17px;
  transition: transform var(--transition);
}

.pill-btn-light {
  color: #fff;
  border-color: #fff;
  background: transparent;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}

.pill-btn-light .pill-btn-text {
  flex-shrink: 0;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}

.pill-btn-light:hover {
  background: #0b9894;
  border-color: #0b9894;
  color: #fff;
}

.pill-btn-light:hover .pill-btn-arrow-layer {
  /* 原图标箭头略偏上，补偿后箭头朝向正右 */
  transform: rotate(30deg);
}

.pill-btn-light:hover .pill-btn-icon {
  transform: translateX(4px);
}

.pill-btn-light:hover .pill-btn-icon-disc {
  fill: #fff;
}

.pill-btn-light:hover .pill-btn-icon-chevron {
  fill: #0b9894;
}

.pill-btn-light::after {
  content: none;
  display: none;
  width: 0;
  min-width: 0;
  height: 0;
  min-height: 0;
  border: 0;
  margin: 0;
  padding: 0;
}

.pill-btn-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: #fff;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
  border: 1px solid var(--color-primary);
}

.pill-btn-primary .pill-btn-text {
  flex-shrink: 0;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}

/* 浅色背景默认：主色实心圆 + 白色箭头（与顶栏 ghost 按钮结构一致） */
.pill-btn-primary .pill-btn-icon-disc {
  fill: var(--color-primary);
}

.pill-btn-primary .pill-btn-icon-chevron {
  fill: #fff;
}

.pill-btn-primary:hover {
  background: #0b9894;
  border-color: #0b9894;
  color: #fff;
}

.pill-btn-primary:hover .pill-btn-arrow-layer {
  transform: rotate(30deg);
}

.pill-btn-primary:hover .pill-btn-icon {
  transform: translateX(4px);
}

.pill-btn-primary:hover .pill-btn-icon-disc {
  fill: #fff;
}

.pill-btn.pill-btn-primary:hover .pill-btn-icon-disc,
.pill-btn.pill-btn-primary:focus-visible .pill-btn-icon-disc {
  fill: #fff;
}

.pill-btn-primary:hover .pill-btn-icon-chevron {
  fill: #0b9894;
}

.pill-btn.pill-btn-primary:hover .pill-btn-icon-chevron,
.pill-btn.pill-btn-primary:focus-visible .pill-btn-icon-chevron {
  fill: #0b9894;
}

.pill-btn-primary::after {
  content: none;
  display: none;
  width: 0;
  min-width: 0;
  height: 0;
  min-height: 0;
  border: 0;
  margin: 0;
  padding: 0;
}

/* 深色底图区域：默认图标与 pill-btn-light 一致（白圆 + 主色箭头） */
.cta-section .pill-btn-primary .pill-btn-icon-disc {
  fill: var(--color-primary);
}

.cta-section .pill-btn-primary .pill-btn-icon-chevron {
  fill: #fff;
}

.hero {
  position: relative;
  min-height: min(56.25vw, 1080px);
  overflow: hidden;
  background: #000;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
}

.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-content {
  position: relative;
  min-height: min(56.25vw, 1080px);
  display: flex;
  align-items: flex-end;
  padding-bottom: 9.063vw;
}

.hero-copy {
  box-sizing: border-box;
  /* 以 1920px 为设计稿基准：718×164 按比例随视口缩放 */
  width: min(100%, calc(718 * 100vw / 1920));
  max-width: 100%;
  min-height: clamp(56px, calc(164 * 100vw / 1920), 164px);
}

.hero-title {
  color: #fff;
  line-height: 1.2;
  font-weight: 400;
  font-family: "YouSheBiaoTiHei", "PingFang SC", "Microsoft YaHei", sans-serif;
  text-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

/* 每行禁止自动换行，保证全程仅两行（与设计稿 1920 下 f_68=68px 一致，随宽度缩放） */
.hero-title-line {
  display: block;
  white-space: nowrap;
}

section.hero .hero-title.f_68 {
  width: 718px;
  height: 164px;
  font-family: "YouSheBiaoTiHei", sans-serif;
  font-style: normal;
  font-weight: 400;
  font-size: 68px;
  line-height: 120%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  color: #fff;
  flex: none;
  order: 0;
  flex-grow: 0;
}

.about-section {
  position: relative;
  overflow: hidden;
  background: #fff;
}

/* 右上角装饰光晕 */
.about-glow {
  position: absolute;
  right: calc(50% - 886px);
  top: 588px;
  width: 698px;
  height: 698px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 242, 241, 0.82) 0, rgba(216, 242, 241, 0) 62%);
  opacity: 0.48;
  pointer-events: none;
}

.about-grid {
  display: grid;
  /* 收掉左列预留空白，仅保留标题实际占宽，右侧内容继续填充剩余空间 */
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 7.188vw;
  align-items: start;
  position: relative;
  margin-top: 285px;
  margin-bottom: 285px;
}

.about-copy {
  width: 100%;
}

.about-copy p {
  color: var(--color-text-soft);
  line-height: 1.5;
}

.about-copy p + p {
  margin-top: 1.25vw;
}

.about-copy .pill-btn {
  margin-top: 2.5vw;
}

.about-mark {
  position: absolute;
  left: 0;
  bottom: -5vw;
  width: 531px;
  height: 220px;
  opacity: 0.92;
  margin-top: 116px;
}

.about-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
  display: block;
}

/* 区块交界处右侧装饰圆（about/mission、function/certification 等共用） */
.section-divider {
  position: relative;
  height: 0;
  overflow-x: clip;
  overflow-y: visible;
  pointer-events: none;
  z-index: 1;
}

.section-divider-circle {
  position: absolute;
  right: 0;
  top: 50%;
  width: 698px;
  height: 698px;
  transform: translate(50%, -50%);
  border-radius: 50%;
  background: #0b9894;
  opacity: 0.4;
  filter: blur(357.1499938964844px);
}

@media screen and (max-width: 1200px) {
  .section-divider-circle {
    width: 480px;
    height: 480px;
  }
}

@media screen and (max-width: 768px) {
  .section-divider-circle {
    width: 320px;
    height: 320px;
  }
}

.mission-section {
  padding: 9.4vw 0;
  min-height: min(calc(960 / 1920 * 100vw), 960px);
  background: #fff;
}

.mission-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.823vw;
  align-items: end;
  margin-top: 6.055vw;
}

.info-card {
  min-height: 19.46vw;
  padding: 2.5vw 1.458vw;
  border: 1px solid var(--color-border);
  border-radius: 0.729vw;
  background: #fff;
  box-shadow: 0 18px 36px rgba(11, 152, 148, 0.06);
}

.info-card:nth-child(1),
.info-card:nth-child(2),
.info-card:nth-child(4) {
  margin-top: 4.046vw;
}

.mission-grid .info-card {
  transition:
    transform var(--transition),
    background var(--transition),
    box-shadow var(--transition);
}

.mission-grid .info-card:hover {
  transform: translateY(-48px);
  background: #e8f3f1;
  box-shadow: 0 24px 48px rgba(11, 152, 148, 0.12);
}

.info-card-head {
  display: flex;
  align-items: center;
  gap: 1.042vw;
  padding-bottom: 0.833vw;
  margin-bottom: 0.833vw;
  border-bottom: 1px solid rgba(11, 152, 148, 0.28);
}

.info-card-icon {
  flex-shrink: 0;
  width: 1.667vw;
  min-width: 32px;
  height: 1.667vw;
  min-height: 32px;
  display: block;
  object-fit: contain;
}

.info-card h3,
.function-card h3,
.partner-item h3 {
  color: var(--color-primary-dark);
  line-height: 1.25;
}

.info-card p,
.function-card p,
.certification-copy p,
.partner-item p,
.news-body p {
  color: var(--color-text-soft);
  line-height: 1.5;
}

.function-section {
  padding: 8.438vw 0 2.2vw;
  min-height: min(calc(1080 / 1920 * 100vw), 1080px);
  background:
    radial-gradient(circle at 74% 0%, rgba(11, 152, 148, 0.14) 0, rgba(11, 152, 148, 0) 23%),
    #edf8f7;
  overflow: hidden;
}

.function-layout {
  display: grid;
  grid-template-columns: 32.813vw 35.938vw;
  gap: 9vw;
  align-items: center;
}

.function-brand {
  position: relative;
  min-height: 22.183vw;
}

.function-brand-symbol {
  width: 17.323vw;
  max-width: 332.6px;
  display: block;
}

.function-brand-text {
  position: absolute;
  left: 10.874vw;
  top: 5.402vw;
  width: 16.521vw;
  display: flex;
  flex-direction: column;
  gap: 0.861vw;
  /* Impact 等展示字体会忽略字重，导致 font-weight 无效；已移除 */
  font-family: "Oswald", "Arial Narrow", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 200;
  font-synthesis: none;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}

.function-brand-text span {
  display: block;
  font-size: clamp(22px, 2.917vw, 56px);
  font-weight: inherit;
  white-space: nowrap;
}

.function-list {
  display: flex;
  flex-direction: column;
  gap: 2.5vw;
  /* 约两张卡片高度 + 间距，其余卡片向下滚动查看 */
  max-height: calc(2 * 18.5vw + 2.5vw);
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  scroll-snap-type: y proximity;
}

.function-list::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.function-card {
  flex-shrink: 0;
  scroll-snap-align: start;
  padding: 2.188vw 3.073vw;
  background: #fff;
  border-radius: 1.25vw;
}

.function-card h3 {
  margin-bottom: 1.667vw;
}

.function-card p {
  min-height: 6.771vw;
  margin-bottom: 1.25vw;
}

.certification-section {
  padding: 9.167vw 0 8.333vw;
  min-height: min(calc(960 / 1920 * 100vw), 960px);
  background: #fff;
}

.certification-head {
  justify-content: space-between;
  align-items: flex-start;
}

.certification-copy {
  width: 38.229vw;
  display: flex;
  flex-direction: column;
  gap: 2.188vw;
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.202vw;
  margin-top: 120px;
}

.cert-card {
  position: relative;
  min-height: 17.143vw;
  border-radius: 1.19vw;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(9, 41, 56, 0.1);
}

.cert-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 152, 148, 0.92) 0%, rgba(11, 152, 148, 0.25) 56%, rgba(11, 152, 148, 0) 100%);
}

.cert-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cert-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2.143vw;
  color: #fff;
}

.cert-card-overlay h3 {
  margin-bottom: 0.938vw;
  line-height: 1.15;
}

.cert-card-overlay p {
  width: min(22.865vw, 439px);
  line-height: 1.5;
}

.cert-card .pill-btn {
  align-self: flex-end;
}

.certification-grid .pill-btn-primary .pill-btn-icon-disc {
  fill: var(--color-primary);
}

.certification-grid .pill-btn-primary .pill-btn-icon-chevron {
  fill: #fff;
}

.map-section {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  /* 桌面全屏：高度 = 图片顶部 99px + 图片高度 797px + 图片下方 65px = 961px */
  min-height: 961px;
  /* 淡绿色阴影蒙版（Figma：rgba(11,152,148,0.12)） */
  background-color: rgba(11, 152, 148, 0.12);
}

.map-section-bg {
  position: absolute;
  top: 99px;
  right: 160px;
  width: 1209px;
  height: 797px;
  max-width: calc(100% - 160px);
  pointer-events: none;
  z-index: 0;
}

.map-section-bg img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: right top;
  display: block;
}

.map-section > *:not(.map-section-bg):not(.map-pin) {
  position: relative;
  z-index: 1;
  margin-top: 213px;
}

@media screen and (max-width: 1200px) {
  .map-section-bg {
    top: 60px;
    right: 80px;
    width: 720px;
    height: 475px;
    max-width: calc(100% - 80px);
  }
}

@media screen and (max-width: 768px) {
  .map-section-bg {
    top: 40px;
    right: 24px;
    width: 360px;
    height: 237px;
    max-width: calc(100% - 24px);
    opacity: 0.7;
  }
}

.map-layout {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: min(calc(48 / 1920 * 100vw), 48px);
  /* 左侧文案块固定 616/1920 ≈ 32.083vw 宽，给右侧留出世界地图空间；
     section 已通过 min-height: 961px 控制总高度，这里不再叠加 */
}

.map-copy {
  width: min(100%, calc(616 / 1920 * 100vw));
  display: flex;
  flex-direction: column;
  gap: min(calc(48 / 1920 * 100vw), 48px);
  /* Figma：标题距 section 顶 113px → 与 section 顶部 padding 7.813vw(150px) 对齐 */
  padding-top: calc(13 / 1920 * 100vw);
}

.map-copy .section-head {
  align-items: center;
  gap: min(calc(11 / 1920 * 100vw), 11px);
  margin-bottom: 0;
}

.map-copy .section-kicker {
  width: min(calc(42 / 1920 * 100vw), 42px);
  min-width: 42px;
}

.map-copy .section-title {
  flex: 0 0 auto;
  min-height: min(calc(49 / 1920 * 100vw), 49px);
  line-height: 1.35;
  white-space: nowrap;
}

.partner-list {
  display: flex;
  flex-direction: column;
  gap: min(calc(24 / 1920 * 100vw), 24px);
}

.partner-item {
  display: grid;
  grid-template-columns: min(calc(42 / 1920 * 100vw), 42px) 1fr;
  gap: min(calc(16 / 1920 * 100vw), 16px);
  align-items: start;
}

.partner-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  min-width: 42px;
  max-width: 42px;
  height: 42px;
  min-height: 42px;
  max-height: 42px;
  margin-top: 0;
  border-radius: 50%;
  background: #0B9894;
  flex-shrink: 0;
}

.partner-icon img {
  display: block;
  width: 25px;
  height: 25px;
  object-fit: contain;
}

.partner-copy-block {
  display: flex;
  flex-direction: column;
  gap: min(calc(24 / 1920 * 100vw), 24px);
  min-width: 0;
}

.partner-copy-block--wide {
  width: min(100%, min(calc(558 / 1920 * 100vw), 558px));
}

.partner-item h3 {
  margin-bottom: 0;
  color: var(--color-primary-dark);
  line-height: 1;
}

.partner-item p {
  color: var(--color-text-soft);
  line-height: 1.5;
  white-space: normal;
}

/* 上海定位标签：作为 .map-section 的直接子元素，绝对定位到世界地图上海所在位置。
   .map-section::before 图片：top:99px right:160px width:1209 height:797
   上海在 SVG 内约 (x=1010, y=290) → section 坐标 (right - 359, top + 389)
   故 pin 锚点：right = 359 - pinWidth/2 ≈ 306px；top = 389 - 标签到圆点的距离 ≈ 321px */
.map-pin {
  position: absolute;
  right: 340px;
  top: 470px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 105px;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 10px;
  background: #fff;
  color: #000;
  box-shadow: 0 18px 32px rgba(9, 41, 56, 0.16);
  white-space: nowrap;
  z-index: 5;
}

.map-pin:hover,
.map-pin:focus-visible {
  animation: map-pin-bounce 0.62s ease-in-out infinite;
  will-change: transform;
}

.map-pin:hover::before,
.map-pin:focus-visible::before {
  animation: map-pin-pulse 1.8s ease-in-out infinite, map-pin-dot-compensate 0.62s ease-in-out infinite;
  will-change: transform;
}

.map-pin::before {
  /* 标签下方的青色圆点指示器（即上海实际位置） */
  content: "";
  position: absolute;
  left: 50%;
  bottom: -32px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  transform: translate(-50%, 0);
  box-shadow: 0 0 0 5px rgba(11, 152, 148, 0.25);
  z-index: 5;
  animation: map-pin-pulse 1.8s ease-in-out infinite;
}

.map-pin::after {
  /* 连接标签与圆点的小三角 */
  content: "";
  position: absolute;
  left: 50%;
  bottom: -8px;
  width: 13px;
  height: 10px;
  background: #fff;
  clip-path: polygon(50% 100%, 0 0, 100% 0);
  transform: translateX(-50%);
  z-index: 5;
}

@keyframes map-pin-pulse {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 5px rgba(11, 152, 148, 0.25);
  }

  50% {
    opacity: 0.55;
    box-shadow: 0 0 0 10px rgba(11, 152, 148, 0.08);
  }
}

@keyframes map-pin-bounce {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-10px);
  }
}

@keyframes map-pin-dot-compensate {
  0%,
  100% {
    transform: translate(-50%, 0) translateY(0);
  }

  50% {
    transform: translate(-50%, 0) translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .map-pin:hover,
  .map-pin:focus-visible {
    animation: none;
  }

  .map-pin:hover::before,
  .map-pin:focus-visible::before {
    animation: none;
  }

  .map-pin::before {
    animation: none;
  }
}

.news-section {
  padding: 6.771vw 0 8.177vw;
  min-height: min(calc(960 / 1920 * 100vw), 960px);
  background: #fff;
  height:960px
}

.news-section > .container {
  display: flex;
  flex-direction: column;
  gap: min(calc(29 / 1920 * 100vw), 29px);
}

.news-section .section-head {
  align-items: center;
  gap: min(calc(11 / 1920 * 100vw), 11px);
  margin-bottom: 0;
}

.news-section .section-kicker {
  width: min(calc(42 / 1920 * 100vw), 42px);
  min-width: 42px;
}

.news-section .section-title {
  flex: 0 0 auto;
  min-height: min(calc(48 / 1920 * 100vw), 48px);
  line-height: calc(48 / 36);
}

.news-carousel {
  overflow: hidden;
  padding-inline: 0;
  box-sizing: border-box;
}

.news-carousel-track {
  display: flex;
  align-items: flex-start;
  /* 按 --news-page 偏移；平移过渡用缓动曲线，保持与进度条同步 */
  transform: translateX(calc(var(--news-page, 0) * -100%));
  transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.news-carousel-track > .news-grid {
  flex: 0 0 100%;
  min-width: 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: min(calc(62 / 1920 * 100vw), 62px);
  padding-inline: 0;
  box-sizing: border-box;
}

.news-card {
  display: flex;
  flex-direction: column;
  gap: min(calc(20 / 1920 * 100vw), 20px);
  min-width: 0;
}

.news-cover {
  aspect-ratio: 550 / 317;
  border-radius: min(calc(20 / 1920 * 100vw), 20px);
  overflow: hidden;
  background: #f2f4f3;
}

.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.news-card:hover .news-cover img {
  transform: scale(1.04);
}

.news-body {
  display: flex;
  flex-direction: column;
  gap: min(calc(32 / 1920 * 100vw), 32px);
  min-width: 0;
}

.news-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-width: min(calc(84 / 1920 * 100vw), 84px);
  height: min(calc(32 / 1920 * 100vw), 32px);
  min-height: 32px;
  padding: 0 min(calc(10 / 1920 * 100vw), 10px);
  border-radius: min(calc(6 / 1920 * 100vw), 6px);
  background: var(--color-primary);
  color: #fff;
}

.news-body > .news-tag {
  margin-bottom: max(calc(-16 / 1920 * 100vw), -16px);
}

.news-body h3 {
  line-height: 1.5;
  font-weight: 500;
  letter-spacing: -0.035em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.news-body p {
  height: min(calc(49 / 1920 * 100vw), 49px);
  min-height: 0;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text-soft);
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-text-soft);
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: min(calc(8 / 1920 * 100vw), 8px);
  transition: color var(--transition);
  white-space: nowrap;
}

.news-link::after {
  content: "\2192";
  font-size: 14px;
  line-height: 1;
}

.news-link:hover,
.news-link:focus-visible {
  color: var(--color-primary);
}

.news-progress {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: min(calc(24 / 1920 * 100vw), 24px);
  margin-top: min(calc(68 / 1920 * 100vw), 38px);
}

.news-progress-track,
.news-progress-bar {
  display: block;
  height: 0.208vw;
  min-height: 4px;
  border-radius: 999px;
}

.news-progress-track {
  position: relative;
  flex: 1;
  background: rgba(114, 113, 113, 0.2);
  overflow: hidden;
  max-width: min(calc(1346 / 1920 * 100vw), 1346px);
}

.news-progress-bar {
  /* 作为 .news-progress-track 的子节点，百分比仅相对 track 宽度计算，
     再右移也不会溢出到箭头区域。track 设置了 overflow:hidden 进一步兜底。 */
  position: absolute;
  top: 0;
  height: 100%;
  min-height: 100%;
  width: calc(100% / var(--news-total, 2));
  left: calc(var(--news-page, 0) * (100% / var(--news-total, 2)));
  border-radius: 999px;
  background: var(--color-primary);
  transition:
    left 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    width 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes news-progress-pulse {
  0%,
  100% {
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.7);
    opacity: 0.9;
  }
  50% {
    box-shadow: 0 0 14px rgba(255, 255, 255, 1);
    opacity: 1;
  }
}

.news-progress-arrows {
  display: flex;
  gap: 1.25vw;
}

.news-progress-arrows span {
  width: 2.5vw;
  min-width: 48px;
  height: 2.5vw;
  min-height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-primary);
  position: relative;
  cursor: pointer;
  background: #fff;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    transform 0.25s ease,
    box-shadow 0.3s ease;
  will-change: transform;
}

.news-progress-arrows span::before {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.573vw;
  min-width: 11px;
  height: 0.573vw;
  min-height: 11px;
  border-top: 2px solid var(--color-primary);
  border-right: 2px solid var(--color-primary);
  transform: translate(-60%, -50%) rotate(45deg);
  transition:
    border-color 0.3s ease,
    transform 0.3s ease;
}

.news-progress-arrows span:first-child::before {
  transform: translate(-40%, -50%) rotate(-135deg);
}

/* ===== 激活 / hover / active 交互 ===== */
.news-progress-arrows span:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
  box-shadow: 0 14px 26px rgba(11, 152, 148, 0.28);
}

.news-progress-arrows span:hover::before {
  border-top-color: #fff;
  border-right-color: #fff;
}

.news-progress-arrows span:hover:not(:first-child)::before {
  transform: translate(-40%, -50%) rotate(45deg);
}

.news-progress-arrows span:first-child:hover::before {
  transform: translate(-60%, -50%) rotate(-135deg);
}

.news-progress-arrows span:active {
  transform: translateY(-1px) scale(0.96);
  box-shadow: 0 6px 14px rgba(11, 152, 148, 0.22);
}

.news-progress-arrows span:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.news-progress-arrows span.is-disabled {
  cursor: not-allowed;
  opacity: 0.35;
  pointer-events: none;
}

.news-progress-arrows span.is-disabled:hover {
  background: #fff;
  border-color: var(--color-primary);
  transform: none;
  box-shadow: none;
}

.news-progress-arrows span.is-disabled:hover::before {
  border-top-color: var(--color-primary);
  border-right-color: var(--color-primary);
}

.cta-section {
  position: relative;
  height: 31.25vw;
  min-height: 600px;
  overflow: hidden;
}

.cta-bg,
.cta-bg img,
.cta-overlay {
  position: absolute;
  inset: 0;
}

.cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta-overlay {
  background: rgba(0, 0, 0, 0.6);
}

.cta-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.875vw;
  text-align: center;
  color: #fff;
}

.cta-content h2 {
  font-family: "YouSheBiaoTiHei", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.4;
  font-weight: 400;
}

.site-footer {
  background: var(--color-footer);
  color: #fff;
  padding: 6.042vw 0 2.292vw;
}

.footer-main {
  display: grid;
  grid-template-columns: 21.771vw 1fr;
  gap: 6.667vw;
  align-items: start;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 1.25vw;
  max-width: 360px;
}

.footer-logo-icon {
  flex-shrink: 0;
  width: 3.958vw;
  min-width: 64px;
  max-width: 76px;
  height: auto;
  display: block;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  gap: 0.25vw;
}

.footer-logo-zh {
  display: block;
  font-size: clamp(18px, calc(26 / 1920 * 100vw), 26px);
  font-weight: 500;
  color: #fff;
  white-space: nowrap;
  line-height: 1.3;
  letter-spacing: 0.02em;
}

.footer-logo-en {
  display: block;
  font-size: clamp(10px, calc(13 / 1920 * 100vw), 13px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.7);
  white-space: nowrap;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.footer-contact {
  display: grid;
  gap: 0.833vw;
  margin-top: 1.875vw;
  list-style: none;
  padding: 0;
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.833vw;
  line-height: 1.5;
}

.footer-contact li img {
  flex-shrink: 0;
  width: 1.875vw;
  min-width: 36px;
  max-width: 36px;
  height: 1.875vw;
  min-height: 36px;
  max-height: 36px;
  display: block;
  object-fit: contain;
}

.footer-contact li span {
  flex: 1;
  min-width: 0;
  color: rgba(255, 255, 255, 0.9);
  word-break: break-word;
}

.footer-form-wrap h2 {
  margin-bottom: 1.25vw;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.5;
  font-weight: 400;
}

.contact-form {
  display: grid;
  gap: 1.25vw;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25vw 1.875vw;
}

.contact-grid label,
.textarea-field {
  display: block;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  color: #fff;
  border: 1px solid var(--color-primary);
  background: transparent;
}

.contact-form input,
.contact-form select {
  height: 2.5vw;
  min-height: 48px;
  padding: 0 1.25vw;
  border-radius: 1.563vw;
  font-size: 16px;
}

.contact-form textarea {
  height: 7.5vw;
  min-height: 144px;
  padding: 1.25vw;
  border-radius: 0.625vw;
  font-size: 16px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.8);
}

.contact-form select {
  color: rgba(255, 255, 255, 0.8);
  cursor: pointer;
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255, 255, 255, 0.8) 50%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.8) 50%, transparent 50%);
  background-position:
    calc(100% - 1.719vw) 50%,
    calc(100% - 1.302vw) 50%;
  background-size: 8px 8px, 8px 8px;
  background-repeat: no-repeat;
}

.submit-btn {
  width: 100%;
  height: 4.479vw;
  min-height: 86px;
  border-radius: 4.01vw;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  transition: transform var(--transition), filter var(--transition);
}

.submit-btn:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2vw;
  margin-top: 4.583vw;
  padding: 2.292vw 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  overflow: visible;
}

.footer-nav,
.footer-socials,
.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.footer-nav {
  gap: 4.479vw;
}

.footer-socials {
  gap: 2.5vw;
  overflow: visible;
}

.footer-socials-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.625vw;
  overflow: visible;
}

.footer-socials a,
.footer-social-link {
  position: relative;
  width: 2.604vw;
  min-width: 50px;
  height: 2.604vw;
  min-height: 50px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.9);
  overflow: visible;
  line-height: 0;
  text-decoration: none;
}

.footer-socials a .footer-social-icon,
.footer-social-link > .footer-social-icon {
  display: block;
  width: 55%;
  min-width: 28px;
  min-height: 28px;
  height: auto;
  max-width: 50px;
  max-height: 50px;
  object-fit: contain;
}

.footer-socials a .footer-socials-qr,
.footer-social-link .footer-socials-qr {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 0.729vw);
  transform: translateX(-50%) translateY(0.417vw);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s;
  z-index: 20;
  display: block;
  line-height: 0;
}

.footer-socials a:hover .footer-socials-qr,
.footer-socials a:focus-visible .footer-socials-qr,
.footer-social-link:hover .footer-socials-qr,
.footer-social-link:focus-visible .footer-socials-qr {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.footer-social-qr {
  position: relative;
  width: 5vw;
  min-width: 96px;
  height: 5vw;
  min-height: 96px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.313vw;
  border-radius: 0.417vw;
  box-shadow: 0 0.417vw 1.25vw rgba(0, 0, 0, 0.28);
}

.footer-social-qr::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -0.313vw;
  width: 0.625vw;
  min-width: 12px;
  height: 0.625vw;
  min-height: 12px;
  background: #fff;
  transform: translateX(-50%) rotate(45deg);
  box-shadow: 0.104vw 0.104vw 0.208vw rgba(0, 0, 0, 0.08);
}

.footer-social-qr img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.footer-legal {
  justify-content: space-between;
  gap: 1.5vw;
  padding-top: 0.729vw;
  color: rgba(255, 255, 255, 0.6);
}

.footer-legal > div {
  display: flex;
  align-items: center;
  gap: 2.5vw;
}

@media screen and (max-width: 1200px) {
  .container {
    width: calc(100% - 80px);
  }

  .site-nav {
    gap: 28px;
  }

  .about-grid,
  .function-layout,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .map-section {
    min-height: 640px;
    padding: 7.813vw 0 8.333vw;
  }

  .map-pin {
    right: clamp(140px, 18vw, 240px);
    top: clamp(300px, 38vw, 420px);
  }

  .map-copy {
    width: 100%;
    padding-top: 0;
  }

  .map-copy .section-title {
    white-space: normal;
  }

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

  .certification-head {
    flex-direction: column;
    gap: 28px;
  }

  .certification-copy,
  .about-copy,
  .function-card p,
  .cert-card-overlay p {
    width: 100%;
    max-width: none;
  }

  .about-mark {
    position: static;
    width: 320px;
    height: auto;
    margin-top: 24px;
  }

  .function-brand {
    min-height: auto;
    display: flex;
    align-items: center;
    gap: 24px;
  }

  .function-brand-text {
    position: static;
    width: auto;
    gap: 10px;
  }

  .function-brand-text span {
    font-size: clamp(22px, 4.2vw, 40px);
  }

  .function-list {
    max-height: min(66vh, 720px);
  }
}

@media screen and (max-width: 768px) {
  html,
  body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
  }

  #top,
  #top > section,
  #top > .section-divider,
  .section,
  .cta-section {
    width: 100%;
    max-width: 100%;
  }

  body.mobile-nav-open {
    overflow: hidden;
  }

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

  .site-header {
    background: rgba(0, 0, 0, 0.4);
  }

  .header-inner {
    height: auto;
    min-height: 76px;
    padding: 14px 0;
    flex-wrap: nowrap;
    gap: 8px;
  }

  .brand-vector {
    width: 56px;
    min-width: 56px;
  }

  .site-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    margin-left: auto;
    cursor: pointer;
    z-index: 62;
  }

  .site-menu-toggle span {
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: min(82vw, 360px);
    height: 100vh;
    padding: 92px 20px 24px;
    background: rgba(9, 41, 56, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    transform: translateX(106%);
    transition: transform 0.28s ease;
    z-index: 61;
    overflow-y: auto;
  }

  .site-header.is-mobile-nav-open .site-nav {
    transform: translateX(0);
  }

  .site-mobile-nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 60;
  }

  .site-header.is-mobile-nav-open .site-mobile-nav-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav > a,
  .site-nav .nav-dropdown-trigger {
    width: 100%;
    font-size: 16px;
    line-height: 1.5;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
  }

  .site-nav .nav-dropdown-wrap {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .site-nav .about-sidenav {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 10px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: none;
  }

  .site-nav .about-sidenav a {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
  }

  .header-actions {
    margin-left: 8px;
    gap: 8px;
    flex: 0 0 auto;
  }

  .language-btn img {
    width: 35px;
    min-width: 35px;
    height: 35px;
    min-height: 35px;
  }

  .pill-btn {
    width: auto;
    min-width: 132px;
    height: 44px;
    min-height: 44px;
    padding: 0 10px 0 18px;
    gap: 8px;
  }

  .pill-btn::after {
    width: 30px;
    height: 30px;
    min-width: 30px;
    min-height: 30px;
  }

  .pill-btn .pill-btn-icon {
    width: 30px;
    height: 30px;
    min-width: 30px;
    min-height: 30px;
  }

  /* 顶栏「联系我们」：四字不换行，宽度随文案一字排开（须写在通用 .pill-btn 之后） */
  .site-header .pill-btn.pill-btn-light {
    min-width: min-content;
    max-width: none;
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0 8px 0 12px;
    gap: 6px;
  }

  .site-header .pill-btn.pill-btn-light .pill-btn-text {
    white-space: nowrap;
    word-break: keep-all;
  }

  .section-head {
    align-items: flex-start;
    margin-bottom: 28px;
  }

  .certification-head > div:first-child {
    align-items: flex-start;
  }

  .section-kicker {
    width: 30px;
    min-width: 30px;
  }

  .hero {
    min-height: 320px;
  }

  .hero-content {
    min-height: 620px;
    padding-top: 96px;
    padding-bottom: 64px;
    align-items: center;
  }

  .hero-copy {
    width: 100%;
    min-height: 0;
  }

  section.hero .hero-title.f_68 {
    width: 100%;
    max-width: 100%;
    height: auto;
    font-size: clamp(32px, 9.5vw, 44px);
    line-height: 1.15;
  }

  .hero-title-line {
    white-space: normal;
  }

  .about-section,
  .mission-section,
  .certification-section,
  .map-section,
  .news-section {
    padding: 70px 0;
  }

  .about-section {
    padding: 48px 0;
  }

  .function-section {
    padding: 70px 0 42px;
  }

  .about-grid,
  .function-layout,
  .map-layout,
  .footer-main {
    gap: 28px;
  }

  .about-grid {
    grid-template-columns: 1fr;
    margin-top: 0;
    margin-bottom: 0;
  }

  .about-mark {
    width: 210px;
    height: auto;
    margin-top: 0;
  }

  .mission-grid,
  .certification-grid,
  .news-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .info-card,
  .function-card {
    min-height: auto;
    padding: 24px 20px;
    border-radius: 14px;
  }

  .info-card:nth-child(1),
  .info-card:nth-child(2),
  .info-card:nth-child(4) {
    margin-top: 0;
  }

  .info-card-head {
    gap: 14px;
    padding-bottom: 12px;
    margin-bottom: 12px;
  }

  .info-card-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
  }

  .function-brand {
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    text-align: center;
    width: 100%;
  }

  .function-brand-symbol {
    width: min(44vw, 200px);
    max-width: 100%;
    margin: 0 auto;
  }

  .function-brand-text {
    width: 100%;
    gap: 6px;
    align-items: center;
    text-align: center;
  }

  .function-brand-text span {
    font-size: clamp(20px, 6.2vw, 28px);
    line-height: 1.05;
    white-space: normal;
  }

  .function-list {
    max-height: min(58vh, 520px);
  }

  .function-card h3,
  .partner-item h3 {
    margin-bottom: 16px;
  }

  .function-card p {
    min-height: auto;
    margin-bottom: 20px;
  }

  .cert-card {
    min-height: 260px;
    border-radius: 18px;
  }

  .cert-card-overlay {
    padding: 22px 18px;
  }

  .partner-item {
    grid-template-columns: 42px 1fr;
    gap: 16px;
  }

  .partner-icon {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
    margin-top: 2px;
  }

  .map-pin {
    position: static;
    align-self: flex-start;
    margin-top: 24px;
    min-width: 82px;
    min-height: 42px;
    padding: 0 18px;
    border-radius: 6px;
  }

  .map-pin::before {
    bottom: -12px;
    width: 16px;
    height: 16px;
    box-shadow: 0 0 0 4px rgba(11, 152, 148, 0.25);
  }

  .map-pin::after {
    bottom: -6px;
    width: 12px;
    height: 8px;
  }

  .news-card,
  .news-body {
    gap: 16px;
  }

  .news-carousel,
  .news-carousel-track,
  .news-grid,
  .news-card {
    width: 100%;
    max-width: 100%;
  }

  .news-carousel {
    padding-inline: 16px;
  }

  .news-section {
    height: auto;
    min-height: 0;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-inline: 34px;
  }

  .news-body h3 {
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
  }

  .news-body p {
    height: auto;
    overflow: visible;
    text-overflow: unset;
    white-space: normal;
  }

  .map-section {
    min-height: 320px;
    padding: 40px 0 24px;
    overflow: hidden;
  }

  .map-pin {
    display: none !important;
  }

  .map-pin::before,
  .map-pin::after {
    content: none;
  }

  .map-copy {
    gap: 28px;
  }

  .map-copy .section-head {
    align-items: flex-start;
  }

  .map-copy .section-title {
    min-height: auto;
    white-space: normal;
  }

  .partner-list,
  .partner-copy-block {
    gap: 16px;
  }

  .news-tag {
    min-width: 76px;
    height: 32px;
    min-height: 32px;
    padding: 0 10px;
    border-radius: 6px;
  }

  .news-body p {
    min-height: auto;
  }

  .news-progress {
    margin-top: 32px;
    gap: 12px;
  }

  .news-progress-track,
  .news-progress-bar {
    height: 4px;
    min-height: 4px;
  }

  .news-progress-arrows {
    gap: 12px;
  }

  .news-progress-arrows span {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
  }

  .news-progress-arrows span::before {
    width: 10px;
    min-width: 10px;
    height: 10px;
    min-height: 10px;
  }

  .cta-section {
    height: 360px;
    min-height: 360px;
  }

  .cta-content {
    gap: 22px;
    padding: 0 20px;
  }

  .site-footer {
    padding: 56px 0 28px;
  }

  .footer-logo {
    gap: 14px;
    max-width: 100%;
  }

  .footer-logo-icon {
    width: 56px;
    min-width: 56px;
    max-width: 56px;
  }

  .footer-logo-zh {
    font-size: 18px;
  }

  .footer-logo-en {
    font-size: 10px;
  }

  .footer-contact {
    gap: 14px;
    margin-top: 20px;
  }

  .footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }

  .footer-contact li img {
    width: 32px;
    min-width: 32px;
    max-width: 32px;
    height: 32px;
    min-height: 32px;
    max-height: 32px;
    margin-top: 2px;
  }

  .footer-contact li span {
    padding-top: 4px;
  }

  .footer-form-wrap h2 {
    margin-bottom: 18px;
  }

  .contact-form {
    gap: 18px;
  }

  .contact-grid {
    gap: 14px;
  }

  .contact-form input,
  .contact-form select {
    height: 48px;
    min-height: 48px;
    padding: 0 18px;
    border-radius: 30px;
  }

  .contact-form textarea {
    height: 144px;
    min-height: 144px;
    padding: 18px;
    border-radius: 12px;
  }

  .submit-btn {
    height: 60px;
    min-height: 60px;
    border-radius: 60px;
  }

  .footer-bottom,
  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }

  .footer-bottom {
    margin-top: 36px;
    padding: 28px 0;
  }

  .footer-nav {
    gap: 18px 24px;
  }

  .footer-socials {
    gap: 14px;
  }

  .footer-socials a,
  .footer-social-link {
    width: 42px;
    height: 42px;
    min-width: 42px;
    min-height: 42px;
  }

  .footer-social-qr {
    width: 88px;
    min-width: 88px;
    height: 88px;
    min-height: 88px;
  }

  .footer-legal > div {
    gap: 18px;
  }
}