/* ============================================================
   ZTS 湛腾官网 · 首页样式
   设计基准：1920 视口 / 1360 主内容 / 280 边距
   使用固定 px，避免 CSS 变量缩放导致样式失效
   字体见 fonts.css
   ============================================================ */

body {
  background-color: #fff;
}

:root {
  --content-width: 1000px;
  --page-gutter: max(40px, calc((100vw - var(--content-width)) / 2));
  --container-gutter: 40px;
  --header-h: 64px;
  --header-shadow-h: 90px;
  --global-map-max-w: 638px;
  --global-map-h: 480px;
  --biz-card-body-h: 240px;

  --c-primary: #10172a;
  --c-accent: #00d0ff;
  --c-blue: #0074f1;
  --c-blue-dark: #1b4171;
  --c-blue-mid: #556e96;
  --c-muted: rgba(255, 255, 255, 0.8);
  --c-body: #637083;

  --grad-hero: linear-gradient(92deg, #0d141e 1.93%, #162448 36.06%, #101721 97.75%);
  --grad-hero-alt: linear-gradient(92deg, #0c121c 1.93%, #142945 48%, #24334b 97.75%);
  --grad-section: linear-gradient(101deg, #eaeff9 0.3%, #fcfcfd 98.86%);
  --grad-line: linear-gradient(90deg, #0074f1 0%, #00d0ff 52%, rgba(0, 208, 255, 0) 99%);
  --grad-header: linear-gradient(180deg, rgba(16, 24, 36, 0.8) 0%, rgba(16, 24, 36, 0) 100%);

  --shadow-card: 0 20px 80px rgba(13, 21, 33, 0.12);
  --shadow-logo: 0 10px 60px rgba(13, 21, 33, 0.12);
  --font-sans: "OPPO Sans 4.0", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: "Euclid Circular B", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

*, *::before, *::after { box-sizing: border-box; }

/* ===== 页面滚动条（首页 / 关于页共用）
   360 等浏览器仅稳定支持：width、background-color、border-radius、border
   改宽度：15px；改颜色：#eef1f5（轨道）/ #b0b8c4（滑块） ===== */
html {
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  background: #fff;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
  width: 15px !important;
  height: 15px !important;
}

html::-webkit-scrollbar-button,
html::-webkit-scrollbar-button:single-button,
html::-webkit-scrollbar-button:vertical:start:decrement,
html::-webkit-scrollbar-button:vertical:end:increment,
html::-webkit-scrollbar-button:horizontal:start:decrement,
html::-webkit-scrollbar-button:horizontal:end:increment,
body::-webkit-scrollbar-button,
body::-webkit-scrollbar-button:single-button,
body::-webkit-scrollbar-button:vertical:start:decrement,
body::-webkit-scrollbar-button:vertical:end:increment,
body::-webkit-scrollbar-button:horizontal:start:decrement,
body::-webkit-scrollbar-button:horizontal:end:increment {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

html::-webkit-scrollbar-track,
html::-webkit-scrollbar-track-piece,
body::-webkit-scrollbar-track,
body::-webkit-scrollbar-track-piece {
  background-color: #eef1f5 !important;
  border-radius: 8px !important;
}

html::-webkit-scrollbar-thumb,
body::-webkit-scrollbar-thumb {
  background-color: #b0b8c4 !important;
  border-radius: 8px !important;
  border: 3px solid #eef1f5 !important;
  background-clip: padding-box;
}

html::-webkit-scrollbar-thumb:hover,
body::-webkit-scrollbar-thumb:hover {
  background-color: #8a96a6 !important;
}

html::-webkit-scrollbar-thumb:active,
body::-webkit-scrollbar-thumb:active {
  background-color: #758292 !important;
}

html::-webkit-scrollbar-corner,
body::-webkit-scrollbar-corner {
  background-color: #eef1f5 !important;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--c-primary);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, p, h1, h2, h3 { margin: 0; padding: 0; }
ul { list-style: none; }
h1, h2, h3 { font-weight: 600; }

.container {
  width: min(var(--content-width), calc(100% - var(--container-gutter) * 2));
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0;
  box-sizing: border-box;
}

/* ===== 顶栏（独立样式，不受内容区 / btn-link 影响） ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--header-h);
  background: transparent;
  overflow: visible;
}

/* 顶栏内容 64px；下滑后渐变遮罩展开至 90px（含向下渐隐阴影） */
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--grad-header);
  opacity: 0;
  transition: opacity 0.25s ease, height 0.25s ease;
  pointer-events: none;
  z-index: -1;
}

.site-header.is-scrolled::before {
  opacity: 1;
  height: var(--header-shadow-h);
}

.site-header.is-menu-open::before {
  opacity: 1;
  height: var(--header-h);
  background: rgba(16, 23, 42, 0.98);
}

.site-header .header-inner {
  position: relative;
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0;
  padding: 0;
}

.site-header .logo {
  position: absolute;
  left: var(--page-gutter);
  top: 50%;
  transform: translateY(-50%);
  width: 144px;
  z-index: 2;
}

.site-header .logo img {
  width: 100%;
  height: auto;
}

.site-header .site-nav {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 40px;
  z-index: 1;
}

.site-header .nav-link {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  white-space: nowrap;
  position: relative;
  padding-bottom: 11px;
  text-decoration: none;
}

.site-header .nav-link.is-active {
  font-weight: 500;
  color: #fff;
}

.site-header .nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 56px;
  height: 2px;
  margin-left: -28px;
  background: linear-gradient(90deg, #0074f1, #00d0ff);
}

.site-header .nav-link:hover:not(.is-active):not(.nav-link--disabled) {
  color: rgba(255, 255, 255, 0.85);
}

.site-header .nav-link--disabled {
  color: rgba(255, 255, 255, 0.6);
  cursor: not-allowed;
}

.site-header .header-actions {
  position: absolute;
  right: var(--page-gutter);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 2;
}

.site-header .header-action {
  position: relative;
  display: inline-flex;
  height: 34px;
  padding: 0 20px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 24px;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  font-size: 14px;
  font-weight: 400;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
  text-decoration: none;
  box-sizing: border-box;
  transition: background 0.25s ease;
}

/* 仅描边为 4° 线性渐变，填充保持纯色 */
.site-header .header-action::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    4deg,
    rgba(255, 255, 255, 0.16) 0%,
    rgba(255, 255, 255, 1) 50%,
    rgba(255, 255, 255, 0.16) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  transition: background 0.25s ease;
}

.site-header .header-action:hover {
  background: rgba(255, 255, 255, 0.16);
}

.site-header .header-action:hover::before {
  background: linear-gradient(
    4deg,
    rgba(255, 255, 255, 0.22) 0%,
    rgba(255, 255, 255, 1) 50%,
    rgba(255, 255, 255, 0.22) 100%
  );
}

/* 春军扫网 · hover 品牌蓝 + 青蓝渐变描边 */
.site-header .header-action--scan:hover {
  background: #0b94ea;
}

.site-header .header-action--scan:hover::before {
  background: linear-gradient(
    4deg,
    rgba(255, 255, 255, 0.16) 0%,
    #2dc4ff 50%,
    rgba(255, 255, 255, 0.16) 100%
  );
}

/* 同事答web端 · hover 品牌绿 + 浅绿渐变描边（8°） */
.site-header .header-action--answer:hover {
  background: #55964f;
}

.site-header .header-action--answer:hover::before {
  background: linear-gradient(
    8deg,
    rgba(255, 255, 255, 0.16) 0%,
    #89a885 50%,
    rgba(255, 255, 255, 0.16) 100%
  );
}

.header-panel {
  display: contents;
}

.header-toggle {
  display: none;
  position: relative;
  z-index: 3;
  width: 40px;
  height: 40px;
  margin: 0;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.header-toggle:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
}

.site-header.is-menu-open .header-toggle {
  background: rgba(0, 116, 241, 0.22);
  border-color: rgba(0, 208, 255, 0.45);
  box-shadow: 0 0 0 1px rgba(0, 208, 255, 0.12);
}

.header-toggle-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.header-toggle-icon--menu {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.header-toggle-icon--close {
  opacity: 0;
  transform: rotate(-45deg) scale(0.82);
}

.site-header.is-menu-open .header-toggle-icon--menu {
  opacity: 0;
  transform: rotate(45deg) scale(0.82);
}

.site-header.is-menu-open .header-toggle-icon--close {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

body.is-header-menu-open {
  overflow: hidden;
}

/* ===== 区块标题 ===== */
.section-eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 6px;
}

.section-head.is-center { text-align: center; }

.section-title {
  font-size: 48px;
  font-weight: 600;
  color: var(--c-primary);
  display: inline-block;
  line-height:1; 
}

.section-title::after {
  content: "";
  display: block;
  width: 100px;
  height: 2px;
  margin-top: 12px;
  background: var(--grad-line);
}

.section-head.is-center .section-title::after { margin-left: auto; margin-right: auto; }
.section-head.light .section-title { color: #fff; }

.section-header--split {
  display: grid;
  grid-template-columns: minmax(0, 400px) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  margin-bottom: 30px;
}

.section-header--split .section-lead--aside {
  margin: 0;
  padding-top: 20px;
}

.section-lead {
  font-size: 18px;
  line-height: 28px;
  color: var(--c-body);
}

.section-lead.light { color: #ecf1fa; opacity: 0.8; }

main .btn-link {
  display: inline-flex;
  height: 48px;
  padding: 0 24px;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border-radius: 24px;
  border: 1px solid #ffffff29;
  background: #ffffff1a;
  font-size: 14px;
  line-height: 1;
  color: #fff;
  white-space: nowrap;
  text-decoration: none;
  box-sizing: border-box;
  text-align: center;
  transition: background 0.3s ease, border-color 0.3s ease;
}

main .btn-link:hover {
  background: #0053A6;
}

main .btn-link.light { color: #fff; }

/* ===== Hero ===== */
.hero {
  position: relative;
  z-index: 1;
  padding-top: var(--header-h);
  background: var(--grad-hero);
  overflow: visible;
}

.hero-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  min-height: 640px;
  padding-bottom: 128px;
}

.hero-copy {
  padding-top: 100px;
  flex: 0 1 680px;
  max-width: 680px;
  min-width: 0;
}

.hero-title {
  font-size: 80px;
  font-weight: 600;
  line-height: 1.175;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 16px;
}

.hero-title .text-accent {
  color: #00d0ff;
}

.hero-desc {
  width: 100%;
  max-width: 680px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.8;
  margin-bottom: 34px;
}

.hero-visual {
  flex: 0 0 500px;
  width: 500px;
  padding-top: 33px;
  position: relative;
}

.hero-earth {
  width: 500px;
  height: 500px;
  position: relative;
  overflow: hidden;
  background: transparent;
}

.hero-earth canvas,
.hero-earth__canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100% !important;
  height: 100% !important;
  background: transparent !important;
  z-index: 3;
  pointer-events: none;
  opacity: 1;
  visibility: visible;
}

.hero-earth__fallback {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  z-index: 2;
  pointer-events: none;
  user-select: none;
}

.hero-earth.earth-static canvas,
.hero-earth.earth-static .hero-earth__canvas {
  display: none !important;
}

.hero-earth.earth-handoff canvas,
.hero-earth.earth-handoff .hero-earth__canvas {
  pointer-events: auto;
}

.hero-earth.earth-leaving canvas,
.hero-earth.earth-leaving .hero-earth__canvas {
  opacity: 0 !important;
  visibility: hidden !important;
}

@media (prefers-reduced-motion: reduce) {
  .hero-earth canvas,
  .hero-earth__canvas {
    transition: none;
  }
}

/* ===== 统计卡片（hero-2 内定位，向上超出 54px）===== */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  position: absolute;
  top: -54px;
  left: 50%;
  z-index: 3;
  width: min(var(--content-width), calc(100% - var(--container-gutter) * 2));
  max-width: var(--content-width);
  margin: 0;
  box-sizing: border-box;
  transform: translateX(-50%);
}

.stat-card {
  min-height: 154px;
  min-width: 0;
  background: #fff;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  padding: 20px 20px 24px 30px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: linear-gradient(90deg, #0074f1 0%, #2dc4ff 52%, rgba(45, 196, 255, 0) 99%);
}

.stat-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.stat-num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 500;
  letter-spacing: -2.2px;
  height:56px;
  line-height:56px;
}

.stat-label { 
  font-size: 16px; 
  line-height: 28px;
  position: relative;
  top: -7px;
}

.stat-desc {
  font-size: 14px;
  line-height: 24px;
  min-height: 48px;
  color: #333;
  margin-top: 6px;
  word-break: keep-all;
}

.hero-2 {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 60px;
  background: linear-gradient(101deg, #EAEFF9 0.3%, #FCFCFD 98.86%);
  overflow: visible;
  box-sizing: border-box;
}

/* ===== 业务布局 ===== */
.business {
  background: #fff;
  padding: 60px 0 100px;
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.biz-card {
  background: #fff;
  overflow: hidden;
  min-width: 0;
  container-type: inline-size;
}

.biz-card-head {
  height: 204px;
  padding: 30px;
  color: #fff;
  display: flex;
  flex-direction: column;
}

.biz-card-head.tone-a { background: var(--c-blue-mid); }
.biz-card-head.tone-b { background: var(--c-blue-dark); }

.biz-no {
  font-size: 20px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
}

.biz-card-head h3 {
  font-size: 24px;
  line-height: 1.3;
  margin-bottom: 12px;
}

.biz-card-head p {
  font-size: 14px;
  line-height: 22.4px;
  color: rgba(255, 255, 255, 0.8);
}

.biz-card-body {
  width: 100%;
  height: min(calc(100cqw * 240 / 440), var(--biz-card-body-h));
  overflow: hidden;
}

@supports not (height: 1cqw) {
  .biz-card-body {
    aspect-ratio: 440 / 240;
    height: auto;
    max-height: var(--biz-card-body-h);
  }
}

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

/* ===== 服务客户（三行错位：5 + 4 + 5）===== */
.clients {
  --clients-pad-top: 72px;
  --clients-pad-bottom: 120px;
  --clients-head-mb: 32px;
  --clients-lead-mb: 40px;
  --clients-lead-size: 18px;
  background: var(--grad-section);
  padding: var(--clients-pad-top) 0 var(--clients-pad-bottom);
}

.clients .section-head { margin-bottom: var(--clients-head-mb); }

.clients-lead {
  text-align: center;
  font-size: var(--clients-lead-size);
  color: var(--c-blue-mid);
  margin-bottom: var(--clients-lead-mb);
}

.client-logos {
  --client-logo-w: 240px;
  --client-logo-h: 90px;
  --client-logo-gap: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--client-logo-gap);
}

.client-logos-row {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: var(--client-logo-gap);
  list-style: none;
  margin: 0;
  padding: 0;
}

.client-logos.is-merged {
  display: block;
  width: 100%;
}

.client-logos.is-merged .client-logos-row {
  flex-wrap: wrap;
  width: 100%;
}

.client-logos-row li {
  flex: 0 0 var(--client-logo-w);
  width: var(--client-logo-w);
  height: var(--client-logo-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border-radius: calc(var(--client-logo-h) / 2);
  box-shadow: var(--shadow-logo);
  padding: 0 20px;
  box-sizing: border-box;
}

.client-logos-row .client-logo-img {
  width: auto;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  max-height: var(--logo-img-h);
}

.client-logo-img--69 { --logo-img-h: 69px; }
.client-logo-img--62 { --logo-img-h: 62px; }
.client-logo-img--61 { --logo-img-h: 61px; }
.client-logo-img--43 { --logo-img-h: 43px; }
.client-logo-img--42 { --logo-img-h: 42px; }
.client-logo-img--41 { --logo-img-h: 41px; }
.client-logo-img--38 { --logo-img-h: 38px; }
.client-logo-img--37 { --logo-img-h: 37px; }
.client-logo-img--32 { --logo-img-h: 32px; }
.client-logo-img--31 { --logo-img-h: 31px; }

/* ===== 全球交付 ===== */
.global {
  background: var(--grad-hero-alt);
  padding: 60px 0 100px;
}

.global .section-title { color: #fff; }

.global-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--global-map-max-w)) minmax(0, 1fr);
  gap: 40px;
  align-items: start;
}

.global-map {
  position: relative;
  width: min(100%, var(--global-map-max-w));
  height: var(--global-map-h);
  flex-shrink: 0;
  line-height: 0;
  border-radius: 4px;
  overflow: hidden;
  background: transparent;
  margin-top:40px;
}

.global-map canvas,
.global-map__canvas {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

.global-info {
  padding-top: 10px;
  min-width: 0;
}

.global-info-block + .global-info-block {
  margin-top: 40px;
}

.global-info-title {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  opacity: 0.8;
  margin: 0 0 16px;
}

.global-info-panel {
  background: rgba(255, 255, 255, 0.06);
  padding: 25px 30px;
  box-sizing: border-box;
}

.global-scope-text {
  margin: 0;
  width: 100%;
  max-width: 581px;
  color: #ffffff;
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.75;
  opacity: 0.8;
}

.global-scope-text strong {
  font-family: var(--font-num);
  color: #2dc4ff;
  font-size: 32px;
  font-style: normal;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -1.6px;
}

.city-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.city-tags li {
  font-size: 18px;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  padding: 10px 24px;
}

.city-tags li.is-pending {
  color: rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.04);
}

.city-tags li .pending-label {
  font-size: 12px;
}

/* ===== 关于预览 ===== */
.about-preview {
  padding: 80px 0 140px;
  background: #fff;
}


.about-panel {
  position: relative;
  width: 100%;
  isolation: isolate;
}

.about-content {
  position: relative;
  z-index: 0;
  background: #556e96;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 clamp(28px, 3.2vw, 54px) clamp(40px, 4vw, 60px) clamp(90px, 7vw, 100px);
}

.about-media {
  z-index: 1;
}

.about-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-heading {
  font-size: clamp(26px, 2.2vw, 32px);
  font-weight: 600;
  letter-spacing: -0.96px;
  color: #fff;
  margin: 0 0 30px;
  line-height: 1.2;
  max-width: 487px;
  padding-top: clamp(40px, 5vw, 60px);
}

.about-text {
  font-size: clamp(15px, 1.2vw, 16px);
  line-height: 1.75;
  color: var(--c-muted);
  margin: 0 0 42px;
  max-width: 496px;
}

/* ===== 联系我们 ===== */
.contact { overflow: hidden; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1920px;
  height: 520px;
  margin: 0 auto;
}

.contact-info {
  background: var(--grad-section);
  display: flex;
  align-items: flex-start;
  min-width: 0;
}

.contact-info-inner {
  padding: 59px 40px 40px var(--page-gutter);
}

.contact-eyebrow {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 6px;
}

.contact-title {
  font-size: 48px;
  font-weight: 600;
  line-height: 1.1;
  color: #000;
}

.contact-title::after {
  content: "";
  display: block;
  width: 100px;
  height: 2px;
  margin-top: 12px;
  background: var(--grad-line);
}

.contact-list { margin-top: 22px; }

.contact-list li {
  display: flex;
  gap: 12px;
  padding: 23px 0;
  border-bottom: 1px solid #e5e5e5;
}

.contact-list li:first-child { padding-top: 0; }

.contact-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eef2fa;
  border: 1px solid rgba(187, 187, 187, 0.73);
}

.contact-icon img { width: 28px; height: 28px; }

.contact-list strong {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: #637083;
  margin-bottom: 6px;
}

.contact-list p { font-size: 16px;color: #000; }
.contact-list a:hover { color: var(--c-blue); }

.contact-map-link {
  display: block;
  min-width: 0;
  height: 100%;
  overflow: hidden;
  background: #d9d9d9;
  cursor: pointer;
}

.contact-map-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.2s ease;
}

.contact-map-link:hover img,
.contact-map-link:focus-visible img {
  opacity: 0.92;
}

.contact-map-link:focus-visible {
  outline: 2px solid var(--c-blue);
  outline-offset: -2px;
}

.site-footer {
  min-height: 80px;
  padding: 18px 20px;
  background: var(--grad-hero-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-footer .copyright {
  font-size: 14px;
  line-height: 22px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
}

.footer-link {
  color: inherit;
  text-decoration: underline;
}

.footer-link:hover { opacity: 0.85; }

/* ===== 响应式 ===== */

/* 主视觉宽度：>1600 → 1360；1401–1600 → 1200；≤1400 默认 1000（>1024） */
@media (min-width: 1401px) and (max-width: 1600px) {
  :root { --content-width: 1200px; }
}

@media (min-width: 1601px) {
  :root { --content-width: 1360px; }
}

/* 业务卡片 · 1201–1600 内容区 */
@media (min-width: 1201px) and (max-width: 1600px) {
  .biz-card-head p {
    font-size: 12px;
  }
}

@media (min-width: 1321px) {
  /* about-panel：774 : 640，层叠 65px，图片下移 60px */
  .about-panel {
    --about-media-w: 774;
    --about-content-w: 640;
    --about-split: 1414;
    --about-overlap: 65px;
    --about-stagger: 60px;
    --about-block-h: 527px;

    display: flex;
    justify-content: flex-end;
    align-items: stretch;
    /* min-height: calc(var(--about-block-h) + var(--about-stagger)); */
    overflow: visible;
  }

  .about-content {
    width: calc(100% * var(--about-content-w) / var(--about-split));
    max-width: 640px;
    min-height: var(--about-block-h);
    flex: 0 0 auto;
    margin-left: auto;
  }

  .about-media {
    position: absolute;
    top: var(--about-stagger);
    left: 0;
    width: min(
      calc(774px + var(--about-overlap)),
      calc(100% * var(--about-media-w) / var(--about-split) + var(--about-overlap))
    );
    height: var(--about-block-h);
  }

  .about-image {
    height: 100%;
  }
}

/* 主内容 1360 时 about 区固定 640 / 774 */
@media (min-width: 1601px) {
  .about-content {
    width: 640px;
    max-width: 640px;
  }

  .about-media {
    width: 774px;
  }
}

@media (max-width: 1400px) and (min-width: 1321px) {
  .about-content {
    padding: 0 clamp(25px, 2.9vw, 50px) clamp(37px, 3.7vw, 56px) clamp(58px, 6.4vw, 115px);
  }

  .about-heading {
    font-size: clamp(24px, 2.05vw, 30px);
    max-width: 480px;
    padding-top: clamp(37px, 4.6vw, 56px);
    margin-bottom: 27px;
  }

  .about-text {
    font-size: 14px;
    line-height: 1.7;
    max-width: 490px;
    margin-bottom: 37px;
  }
}

@media (max-width: 1400px) and (min-width: 1201px) {
  .hero-title { font-size: 56px; }

  .stats-row {
    top: -48px;
    gap: 10px;
  }

  .stat-card {
    min-height: auto;
    padding: 15px 14px 16px 18px;
    border-radius: 18px;
  }
  .hero-2{
    padding-bottom:0;
  }
  .stat-card::before {
    height: 6px;
  }

  .stat-head {
    gap: 4px;
  }

  .stat-num {
    font-size: 38px;
    height: 44px;
    line-height: 44px;
    letter-spacing: -1.6px;
  }

  .stat-label {
    font-size: 14px;
    line-height: 20px;
    top: -5px;
  }

  .stat-desc {
    font-size: 11px;
    line-height: 18px;
    min-height: 36px;
    margin-top: 4px;
  }

  /* 全球交付：缩窄左侧地球，给右侧文案/标签更多空间 */
  :root {
    --global-map-max-w: 460px;
    --global-map-h: 346px;
    --biz-card-body-h: 200px;
  }

  .biz-card-head {
    padding: 20px;
    height:210px;
  }

  .global-layout {
    gap: 36px;
    align-items: center;
  }

  .global-map {
    margin-top: 0;
  }

  .global-info {
    padding-top: 0;
  }

  .global-info-title {
    font-size: 18px;
    margin-bottom: 14px;
  }

  .global-info-panel {
    padding: 22px 26px;
  }

  .global-info-block + .global-info-block {
    margin-top: 32px;
  }

  .global-scope-text {
    font-size: 16px;
    line-height: 1.7;
  }

  .global-scope-text strong {
    font-size: 28px;
    letter-spacing: -1.2px;
  }

  .city-tags {
    gap: 10px 12px;
  }

  .city-tags li {
    font-size: 16px;
    padding: 8px 18px;
  }
}

@media (max-width: 1200px) and (min-width: 1024px) {
  .site-header .site-nav { gap: 28px; }
  .site-header .nav-link { font-size: 15px; }
  .site-header .logo { width: 128px; }
  .site-header .header-action {
    height: 34px;
    padding: 0 16px;
    font-size: 13px;
  }
  .site-header .header-actions { gap: 12px; }

  /* 主视觉保持左右布局，等比缩小避免挤压变形 */
  .hero-inner {
    gap: clamp(20px, 2.5vw, 32px);
    min-height: auto;
    padding-top: 48px;
    padding-bottom: 100px;
    align-items: center;
  }

  .hero-title {
    font-size: 56px;
    margin-bottom: 14px;
  }

  .hero-copy {
    flex: 1 1 0;
    max-width: none;
    min-width: 0;
    padding-top: 48px;
  }

  .hero-desc {
    max-width: none;
    margin-bottom: 28px;
  }

  .hero-visual {
    flex: 0 0 auto;
    width: clamp(320px, 36vw, 420px);
    padding-top: 16px;
  }

  .hero-earth {
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    max-width: 420px;
    max-height: 420px;
  }

  .section-header--split {
    grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
    gap: 20px;
  }

  .section-header--split .section-lead--aside {
    padding-top: 12px;
    font-size: 16px;
    line-height: 26px;
  }
}

@media (max-width: 1320px) {
  .about-panel {
    display: flex;
    flex-direction: column;
    gap: 0;
    min-height: 0;
  }

  .about-media {
    position: relative;
    top: auto;
    left: auto;
    width: 100%;
    height: auto;
    aspect-ratio: 775 / 527;
  }

  .about-content {
    width: 100%;
    max-width: none;
    min-height: 0;
    margin-left: 0;
    padding: clamp(36px, 5vw, 48px) var(--container-gutter);
  }

  .about-heading {
    padding-top: 0;
    margin-bottom: 24px;
  }

  .about-text {
    margin-bottom: 32px;
  }

  .about-heading,
  .about-text {
    max-width: none;
  }
}

@media (max-width: 1200px) {
  :root {
    --container-gutter: 32px;
    --biz-card-body-h: 188px;
  }

  .stats-row {
    top: -36px;
    gap: 12px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .hero-2 {
    --stats-overlap: 36px;
    --stats-gap: 12px;
    --stats-row-h: 112px;
    padding-top: calc(var(--stats-row-h) * 2 + var(--stats-gap) - var(--stats-overlap) + 20px);
    padding-bottom: 40px;
  }
  .stat-card {
    min-height: var(--stats-row-h);
    padding: 15px 22px 18px;
  }
  .stat-num {
    font-size: 38px;
    height: 50px;
    line-height: 50px;
    letter-spacing: -1.6px;
  }
  .stat-label {
    font-size: 15px;
    line-height: 24px;
    top: -5px;
  }
  .stat-desc {
    font-size: 13px;
    line-height: 22px;
    min-height: 44px;
  }
  .business-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .global-layout { grid-template-columns: 1fr; gap: 32px; }
  .global { padding: 48px 0 72px; }
  .global-info { padding-top: 0; }
  .global-map {
    width: min(100%, var(--global-map-max-w));
    height: auto;
    aspect-ratio: 638 / 480;
    margin: 0 auto;
  }

  .global-map canvas,
  .global-map__canvas {
    width: 100%;
    height: 100%;
  }
  .client-logos {
    --client-logo-w: 200px;
    --client-logo-h: 80px;
    --client-logo-gap: 16px;
  }

  .clients {
    --clients-pad-top: 56px;
    --clients-pad-bottom: 80px;
    --clients-head-mb: 24px;
    --clients-lead-mb: 28px;
    --clients-lead-size: 16px;
  }

  .client-logos-row li {
    padding: 0 16px;
  }

  .about-preview { padding: 64px 0 80px; }
  .about-preview .section-head { margin-bottom: 40px; }
  .about-content {
    padding: 40px var(--container-gutter);
  }
  .about-heading { font-size: 26px; }
  .about-text { font-size: 15px; }
}

@media (max-width: 1023px) {
  .section-header--split { grid-template-columns: 1fr; }
  .section-header--split .section-lead--aside { padding-top: 0; }

  .hero-title { font-size: 56px; }
  .hero-inner {
    flex-direction: column;
    min-height: auto;
    padding-top: 60px;
    padding-bottom: 48px;
  }
  .hero-copy,
  .hero-visual {
    flex: none;
    width: 100%;
    max-width: none;
  }
  .hero-copy { padding-top: 48px; }
  .hero-desc {
    max-width: none;
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 28px;
  }
  .hero-visual {
    padding-top: 0;
    display: flex;
    justify-content: center;
    width: 100%;
    height: auto;
  }
  .hero-earth {
    width: min(400px, 100%);
    height: min(400px, 100%);
    aspect-ratio: 1;
  }


  :root {
    --header-h: 56px;
    --header-shadow-h: 80px;
    --header-mobile-gutter: 20px;
  }

  .site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 0 var(--header-mobile-gutter);
  }

  .header-toggle {
    display: block;
  }

  .header-panel {
    display: flex;
    flex-direction: column;
    gap: 28px;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 99;
    padding: 20px var(--page-gutter) 32px;
    background: rgba(16, 23, 42, 0.98);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    pointer-events: none;
  }

  .site-header.is-menu-open .header-panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .site-header .logo {
    position: static;
    transform: none;
    width: 120px;
  }

  .site-header .site-nav,
  .site-header .header-actions {
    position: static;
    transform: none;
  }

  .site-header .site-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .site-header .nav-link {
    font-size: 18px;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .site-header .nav-link.is-active::after {
    left: 0;
    bottom: 14px;
    margin-left: 0;
    width: 40px;
  }

  .site-header .header-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 12px;
    margin-top: auto;
  }

  .site-header .header-action {
    width: 100%;
    height: 44px;
    font-size: 15px;
  }


  .client-logos.is-merged {
    --client-logo-h: 64px;
    --client-logo-gap: 12px;
  }

  .client-logos.is-merged .client-logos-row {
    justify-content: center;
  }

  .client-logos.is-merged .client-logos-row li {
    flex: 0 0 calc((100% - var(--client-logo-gap)) / 2);
    width: calc((100% - var(--client-logo-gap)) / 2);
    max-width: none;
    padding: 0 10px;
  }

  .client-logos.is-merged .client-logo-img {
    max-height: min(calc(var(--logo-img-h) * 0.72), calc(var(--client-logo-h) - 20px));
  }

}

@media (max-width: 900px) {
  :root { --container-gutter: 24px; }

  .hero-inner { padding-top: 40px; }
  .hero-copy { padding-top: 32px; }
  .hero-title { font-size: 48px; margin-bottom: 14px; }
  .hero-desc {
    font-size: 13px;
    line-height: 1.75;
    margin-bottom: 24px;
  }

  .stats-row {
    top: -28px;
    gap: 10px;
  }

  .hero-2 {
    --stats-overlap: 28px;
    --stats-gap: 10px;
    --stats-row-h: 108px;
    padding-top: calc(var(--stats-row-h) * 2 + var(--stats-gap) - var(--stats-overlap) + 16px);
    padding-bottom: 50px;
  }

  .stat-card {
    min-height: var(--stats-row-h);
    padding: 15px 18px 16px;
  }

  .stat-num {
    font-size: 36px;
    height: 48px;
    line-height: 48px;
  }

  .stat-label {
    font-size: 15px;
    line-height: 24px;
    top: -4px;
  }

  .stat-desc {
    font-size: 13px;
    line-height: 22px;
    min-height: 44px;
  }

  .contact-layout { grid-template-columns: 1fr; height: auto; }
  .contact-map-link { min-height: 360px; }

  .about-content {
    padding: 36px var(--container-gutter);
  }

  .about-heading {
    font-size: 24px;
    margin-bottom: 20px;
  }

  .about-text {
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 28px;
  }
}

@media (max-width: 768px) {
  :root {
    --container-gutter: 20px;
    --header-mobile-gutter: 16px;
    --biz-card-body-h: 176px;
  }

  .global { padding: 40px 0 56px; }
  .global-layout { gap: 28px; }
  .global-info-title { font-size: 18px; margin-bottom: 12px; }
  .global-info-panel { padding: 20px var(--container-gutter); }
  .global-info-block + .global-info-block { margin-top: 28px; }
  .global-scope-text { font-size: 16px; }
  .global-scope-text strong { font-size: 26px; letter-spacing: -1px; }
  .city-tags { gap: 10px 12px; }
  .city-tags li { font-size: 15px; padding: 8px 16px; }

  .clients {
    --clients-pad-top: 48px;
    --clients-pad-bottom: 64px;
    --clients-head-mb: 20px;
    --clients-lead-mb: 24px;
    --clients-lead-size: 15px;
  }
}

@media (max-width: 600px) {
  :root { --container-gutter: 16px; }

  .stats-row, .business-grid { grid-template-columns: minmax(0, 1fr); }

  .stats-row {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: min(var(--content-width), calc(100% - var(--container-gutter) * 2));
    margin: -20px auto 0;
    gap: 12px;
  }

  .hero-2 {
    padding-top: 28px;
    padding-bottom: 36px;
  }

  .stat-card {
    min-height: auto;
    padding: 12px 16px 18px;
  }

  .hero-title { font-size: 40px; margin-bottom: 12px; }
  .hero-copy { padding-top: 20px; }
  .hero-inner { padding-top: 32px; padding-bottom: 36px; }
  .hero-desc {
    font-size: 13px;
    line-height: 1.7;
    margin-bottom: 20px;
  }
  .section-title { font-size: 36px;}

  .about-preview { padding: 48px 0 64px; }
  .about-content {
    padding: 32px var(--container-gutter);
  }

  .about-heading { font-size: 22px; }
  .about-text { margin-bottom: 24px; }

  .global { padding: 32px 0 48px; }
  .global-layout { gap: 24px; }
  .global-info-title { font-size: 17px; }
  .global-info-panel { padding: 16px var(--container-gutter); }
  .global-scope-text { font-size: 15px; line-height: 1.7; }
  .global-scope-text strong { font-size: 24px; }
  .city-tags li { font-size: 14px; padding: 7px 14px; }

  .client-logos.is-merged {
    --client-logo-h: 56px;
    --client-logo-gap: 10px;
  }

  .clients {
    --clients-pad-top: 40px;
    --clients-pad-bottom: 48px;
    --clients-head-mb: 16px;
    --clients-lead-mb: 20px;
    --clients-lead-size: 14px;
  }

  .client-logos.is-merged .client-logos-row li {
    padding: 0 8px;
  }

  .client-logos.is-merged .client-logo-img {
    max-height: min(calc(var(--logo-img-h) * 0.62), calc(var(--client-logo-h) - 16px));
  }
}