/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

/* ===== Web Font: Roboto（英文字体参考 TI 官网 ti.com）=====
   TI 官网字体栈： "Roboto","Helvetica Neue","Arial Nova","Nimbus Sans","Arial",sans-serif
   国内无法访问 Google Fonts，故自托管 woff2（与网站同源，海内外都能加载）。
   Roboto 采用 Apache License 2.0，可自由自托管。 */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/roboto-latin-400.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('../fonts/roboto-latin-500.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/roboto-latin-700.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

body {
  font-family: 'Roboto', 'Helvetica Neue', 'Arial Nova', 'Nimbus Sans', Arial, 'Noto Sans SC', 'Noto Sans CJK SC', 'Source Han Sans SC', 'PingFang SC', 'Hiragino Sans GB', 'Heiti SC', 'Microsoft YaHei', sans-serif;
  font-weight: 400;
  color: #1A2332;
  background: #FFFFFF;
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: #1677FF;
  transition: color 0.3s;
}

a:hover {
  color: #0A2E5C;
}

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

ul, ol {
  list-style: none;
}

/* ===== Utility ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-gray {
  background: #F7F8FA;
}

.section-white {
  background: #FFFFFF;
}

.section-blue {
  background: #1677FF;
  color: #FFFFFF;
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  color: #1A2332;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.section-blue .section-title {
  color: #FFFFFF;
}

.section-subtitle {
  font-size: 16px;
  color: #6B7280;
  text-align: center;
  margin-bottom: 56px;
  font-weight: 400;
}

.section-blue .section-subtitle {
  color: rgba(255,255,255,0.85);
}

.text-secondary {
  color: #4A5568;
}

.text-muted {
  color: #9CA3AF;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  border: 2px solid transparent;
  text-align: center;
}

.btn-primary {
  background: #1677FF;
  color: #FFFFFF;
  border-color: #1677FF;
}

.btn-primary:hover {
  background: #0E5FD9;
  border-color: #0E5FD9;
  color: #FFFFFF;
}

.btn-secondary {
  background: transparent;
  color: #FFFFFF;
  border-color: #FFFFFF;
}

.btn-secondary:hover {
  background: #FFFFFF;
  color: #1677FF;
}

.btn-outline {
  background: transparent;
  color: #1677FF;
  border-color: #1677FF;
}

.btn-outline:hover {
  background: #1677FF;
  color: #FFFFFF;
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: #FFFFFF;
  transition: box-shadow 0.3s;
  height: 88px;
}

.header.scrolled {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto; /* 不被 flex 压缩：logo 比例 5.23:1，压缩会变形 */
}

.logo-img {
  height: 42px; /* 原 78px 的 60%，再按 90% 微调 */
  width: auto;
  max-width: none; /* 不被全局 img{max-width:100%} 限制，保持比例 */
  display: block;
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: 0;
  margin-left: auto;
}

/* ===== Language Switch（右上角语言下拉菜单）===== */
.lang-switch {
  position: relative;
  flex: none;
  margin-left: 14px;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px 7px 10px;
  border: 1px solid #E5E8EF;
  border-radius: 999px;
  background: transparent;
  color: #5A6675;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s, color 0.3s;
}

.lang-btn:hover,
.lang-switch.open .lang-btn {
  border-color: rgba(22, 119, 255, 0.4);
  background: #F7FAFE;
  color: #1677FF;
}

.lang-globe {
  width: 15px;
  height: 15px;
  flex: none;
  color: #9AA4B2;
  transition: color 0.3s;
}

.lang-btn:hover .lang-globe,
.lang-switch.open .lang-globe {
  color: #1677FF;
}

.lang-caret {
  width: 11px;
  height: 11px;
  flex: none;
  color: #9AA4B2;
  transition: transform 0.25s, color 0.3s;
}

.lang-btn:hover .lang-caret,
.lang-switch.open .lang-caret {
  color: #1677FF;
}

.lang-switch.open .lang-caret {
  transform: rotate(180deg);
}

/* 下拉面板 */
.lang-menu {
  position: absolute;
  top: calc(100% + 9px);
  right: 0;
  min-width: 140px;
  padding: 6px;
  background: #FFFFFF;
  border: 1px solid #EDF0F5;
  border-radius: 11px;
  box-shadow: 0 10px 28px rgba(10, 46, 92, 0.16);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.22s, transform 0.22s, visibility 0.22s;
  z-index: 400;
}

.lang-switch.open .lang-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: 7px;
  color: #3D4A5C;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

a.lang-item:hover {
  background: #F2F7FE;
  color: #1677FF;
}

.lang-item.active {
  color: #1677FF;
  font-weight: 700;
  background: #F2F7FE;
  cursor: default;
}

.lang-check {
  width: 14px;
  height: 14px;
  margin-left: auto;
  flex: none;
}

.nav-item {
  position: relative;
  padding: 0 18px;
}

.nav-link {
  display: block;
  padding: 26px 0;
  font-size: 16px;
  font-weight: 500;
  color: #374151;
  transition: color 0.3s;
  cursor: pointer;
}

.nav-link:hover,
.nav-link.active {
  color: #1677FF;
}

/* Dropdown */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  min-width: 160px;
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  white-space: nowrap;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: #374151;
  transition: all 0.2s;
}

.dropdown-menu a:hover {
  background: #F7F8FA;
  color: #1677FF;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #1A2332;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: 88px;
  left: 0;
  right: 0;
  bottom: 0;
  background: #FFFFFF;
  z-index: 999;
  overflow-y: auto;
  padding: 24px;
}

.mobile-nav.active {
  display: block;
}

.mobile-nav-item {
  border-bottom: 1px solid #F3F4F6;
}

.mobile-nav-link {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 500;
  color: #1A2332;
}

.mobile-dropdown {
  display: none;
  padding-left: 16px;
}

.mobile-dropdown.active {
  display: block;
}

.mobile-dropdown a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  color: #6B7280;
}

.mobile-dropdown-toggle {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mobile-dropdown-toggle::after {
  content: '▾';
  font-size: 12px;
  color: #9CA3AF;
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  height: 640px;
  margin-top: 88px;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-slide.active {
  opacity: 1;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.35);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #FFFFFF;
  max-width: 800px;
  padding: 0 24px;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 2px;
  line-height: 1.3;
}

.hero-subtitle {
  font-size: 20px;
  margin-bottom: 0;
  opacity: 0.92;
  font-weight: 400;
  letter-spacing: 1px;
}

.hero-buttons {
  display: none;
}

/* Hero Controls */
.hero-arrows {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 32px;
  z-index: 3;
  pointer-events: none;
}

.hero-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  pointer-events: auto;
  transition: all 0.3s;
  color: #FFFFFF;
  font-size: 20px;
}

.hero-arrow:hover {
  background: rgba(255,255,255,0.3);
}

.hero-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 3;
}

.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: all 0.3s;
}

.hero-dot.active {
  background: #FFFFFF;
  transform: scale(1.2);
}

/* ===== About Section (Homepage) ===== */
.about-row {
  display: flex;
  align-items: center;
  gap: 72px;
}

.about-text {
  flex: 1;
  max-width: 900px;
}

.about-text h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 24px;
  line-height: 1.3;
}

.about-text p {
  font-size: 16px;
  color: #4B5563;
  line-height: 1.8;
  margin-bottom: 14px;
}

.about-text .btn {
  margin-top: 20px;
}

/* ===== Capability Cards ===== */
.capability-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.capability-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid transparent;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.capability-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(22, 119, 255, 0.15);
}

.capability-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #EEF4FA;
}

.capability-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}

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

.capability-body {
  padding: 26px 24px 30px;
}

.capability-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
}

.capability-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* ===== Product Cards ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-grid-4 {
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.product-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.product-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: #1677FF;
}

.product-img {
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: #FAFBFC;
  padding: 24px;
}

.product-info {
  padding: 28px;
}

.product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(22, 119, 255, 0.08);
  color: #1677FF;
  font-size: 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-weight: 500;
}

.product-info h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 10px;
  line-height: 1.4;
}

.product-info p {
  font-size: 14px;
  color: #6B7280;
  margin-bottom: 16px;
  line-height: 1.6;
}

.product-link {
  display: inline-block;
  padding: 8px 18px;
  background: #F7F8FA;
  color: #374151;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.3s;
}

.product-link:hover {
  background: #1677FF;
  color: #FFFFFF;
}

/* ===== Tab Filter ===== */
.tab-filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.tab-btn {
  padding: 10px 24px;
  border: 1px solid #E5E7EB;
  border-radius: 28px;
  background: #FFFFFF;
  color: #6B7280;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-btn:hover {
  border-color: #1677FF;
  color: #1677FF;
}

.tab-btn.active {
  background: #1677FF;
  border-color: #1677FF;
  color: #FFFFFF;
}

/* ===== News Filter ===== */
.news-filter {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.news-filter-btn {
  padding: 10px 24px;
  border: 1px solid #E5E7EB;
  border-radius: 28px;
  background: #FFFFFF;
  color: #6B7280;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s;
}

.news-filter-btn:hover {
  border-color: #1677FF;
  color: #1677FF;
}

.news-filter-btn.active {
  background: #1677FF;
  border-color: #1677FF;
  color: #FFFFFF;
}

/* ===== Solution Cards ===== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.solution-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid transparent;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.solution-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  border-color: rgba(22, 119, 255, 0.15);
}

.solution-img {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #EEF4FA;
}

.solution-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s;
}

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

.solution-body {
  padding: 22px 20px 26px;
}

.solution-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 10px;
}

.solution-card p {
  font-size: 13px;
  color: #6B7280;
  margin-bottom: 14px;
  line-height: 1.6;
}

.solution-link {
  font-size: 13px;
  color: #1677FF;
  font-weight: 500;
}

.solution-link:hover {
  color: #0A2E5C;
}

/* ===== Stats Section ===== */
.stats-row {
  display: flex;
  justify-content: space-around;
  text-align: center;
  flex-wrap: wrap;
  gap: 32px;
}

.stat-item {
  flex: 1;
  min-width: 160px;
}

.stat-number {
  font-size: 42px;
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.2;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-top: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  text-align: center;
  padding: 80px 0;
}

.cta-section h2 {
  font-size: 32px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 16px;
  color: #6B7280;
  margin-bottom: 28px;
}

/* ===== Page Header (Subpages) ===== */
.page-header {
  background: #0A2E5C;
  height: 340px;
  margin-top: 88px;
  text-align: left;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-header .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
}

.page-header::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(10, 46, 92, 0.85) 0%, rgba(10, 46, 92, 0.5) 50%, rgba(10, 46, 92, 0.25) 100%);
  z-index: 1;
}

/* Individual page banner backgrounds */
body.page-products .page-header {
  display: none;
}

body.page-products {
  padding-top: 88px;
}

/* 产品中心页无 banner，导航栏直接接内容，初始状态即显示阴影 */
body.page-products .header {
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}
body.page-solutions .page-header::before {
  background-image: url('../images/banner_solutions.jpg');
}
body.page-about .page-header::before {
  background-image: url('../images/banner_about.jpg');
}
body.page-news .page-header::before {
  background-image: url('../images/banner_news.jpg');
}
body.page-contact .page-header::before {
  background-image: url('../images/banner_contact.jpg');
  background-position: center;
  background-size: cover;
}
body.page-contact .page-header::after {
  background: linear-gradient(to right, rgba(10,46,92,0.94) 0%, rgba(10,46,92,0.88) 30%, rgba(10,46,92,0.72) 50%, rgba(10,46,92,0.42) 70%, rgba(10,46,92,0.12) 100%);
}
body.page-career .page-header::before {
  background-image: url('../images/banner_career.jpg');
  background-position: center 25%;
}
body.page-customization .page-header::before {
  background-image: url('../images/banner_customization.jpg');
}

.page-header h1 {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 1px;
  color: #FFFFFF;
}

.breadcrumb {
  display: flex;
  justify-content: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

.breadcrumb a {
  color: rgba(255,255,255,0.7);
}

.breadcrumb a:hover {
  color: #FFFFFF;
}

.breadcrumb span {
  color: rgba(255,255,255,0.9);
}

/* ===== Solutions Detail ===== */
.solution-detail {
  display: flex;
  align-items: center;
  gap: 72px;
  margin-bottom: 72px;
}

.solution-detail:last-child {
  margin-bottom: 0;
}

.solution-detail.reverse {
  flex-direction: row-reverse;
}

.solution-detail-img {
  flex: 0 0 500px;
  height: 340px;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, #1677FF, #0A2E5C);
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.solution-detail-text {
  flex: 1;
}

.solution-detail-text h3 {
  font-size: 28px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 20px;
}

.solution-detail-text p {
  font-size: 15px;
  color: #4B5563;
  line-height: 1.8;
  margin-bottom: 12px;
}

.solution-products {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 20px 0 24px;
}

.solution-product-tag {
  padding: 6px 16px;
  background: rgba(22, 119, 255, 0.08);
  color: #1677FF;
  font-size: 13px;
  border-radius: 6px;
  font-weight: 500;
}

/* ===== About Page ===== */
.about-intro {
  font-size: 16px;
  color: #4B5563;
  line-height: 2;
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
}

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 56px;
}

.value-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 44px 28px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s;
}

.value-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.value-card .value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: rgba(22, 119, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
}

.value-icon svg,
.culture-icon svg,
.benefit-icon svg,
.contact-icon svg {
  width: 28px;
  height: 28px;
  stroke: #1677FF;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.value-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
}

.value-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.75;
}

/* Timeline */
.timeline {
  position: relative;
  padding: 20px 0;
  max-width: 640px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #E5E7EB;
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  padding: 24px 0;
  display: flex;
  align-items: center;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
  text-align: right;
  padding-right: calc(50% + 32px);
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
  text-align: left;
  padding-left: calc(50% + 32px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  background: #1677FF;
  border: 3px solid #FFFFFF;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #1677FF;
}

.timeline-year {
  font-size: 22px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 4px;
}

.timeline-text {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.6;
}

/* Process Steps - Horizontal line with arrows between circles */
.process-steps {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  position: relative;
  flex-wrap: nowrap;
  align-items: flex-start;
}

.process-step {
  flex: 1;
  min-width: 120px;
  text-align: center;
  position: relative;
}

/* Horizontal connecting line between circle centers */
.process-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: calc(50% + 26px);
  right: calc(-50% + 26px);
  top: 25px;
  height: 2px;
  background: #E5E7EB;
  z-index: 0;
}

/* Arrow head at the end of the line */
.process-step:not(:last-child)::before {
  content: '';
  position: absolute;
  right: calc(-50% + 22px);
  top: 21px;
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  border-left: 6px solid #1677FF;
  z-index: 1;
}

.process-num {
  width: 52px;
  height: 52px;
  margin: 0 auto 14px;
  background: #1677FF;
  color: #FFFFFF;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  position: relative;
  z-index: 2;
}

.process-step h4 {
  font-size: 15px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 6px;
}

.process-step p {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.5;
}

/* ===== News Cards ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.news-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s;
}

.news-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
}

.news-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #F7F8FA;
}

.news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.news-card:hover .news-img img {
  transform: scale(1.05);
}

.news-body {
  padding: 28px;
}

.news-meta {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.news-date {
  font-size: 13px;
  color: #9CA3AF;
}

.news-tag {
  padding: 3px 10px;
  background: rgba(22, 119, 255, 0.08);
  color: #1677FF;
  font-size: 12px;
  border-radius: 4px;
  font-weight: 500;
}

.news-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
  line-height: 1.45;
}

.news-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-link {
  font-size: 14px;
  color: #1677FF;
  font-weight: 500;
}

.news-link:hover {
  color: #0A2E5C;
}

/* ===== Contact Page ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-info-card {
  background: #F7F8FA;
  border-radius: 16px;
  padding: 40px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.contact-info-item:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 44px;
  height: 44px;
  background: rgba(22, 119, 255, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
  stroke: #1677FF;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contact-info-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 4px;
}

.contact-info-item p {
  font-size: 14px;
  color: #4B5563;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 12px;
  margin-top: 28px;
}

.social-link {
  width: 40px;
  height: 40px;
  background: #1A2332;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  font-size: 14px;
  transition: background 0.3s;
}

.social-link:hover {
  background: #1677FF;
  color: #FFFFFF;
}

/* Form */
.contact-form {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #E5E7EB;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  color: #1A2332;
  transition: border-color 0.3s;
  background: #FFFFFF;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #1677FF;
  box-shadow: 0 0 0 3px rgba(22, 119, 255, 0.1);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Team Advantage Cards (About Page Team Section) - 3 cards */
.team-intro {
  max-width: 1000px;
  margin: 0 auto 48px;
  text-align: center;
}

.team-intro p {
  font-size: 16px;
  color: #4B5563;
  line-height: 1.85;
  margin-bottom: 14px;
}

.team-advantages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
}

.team-adv-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  border: 1px solid #F3F4F6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.25s, border-color 0.25s;
}

.team-adv-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
  border-color: rgba(22, 119, 255, 0.15);
}

.team-adv-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 18px;
  background: rgba(22, 119, 255, 0.08);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
}

.team-adv-icon svg {
  width: 28px;
  height: 28px;
  stroke: #1677FF;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.team-adv-card h4 {
  font-size: 18px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 10px;
}

.team-adv-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* ===== Customization Service Page ===== */
.custom-intro {
  max-width: 860px;
  margin: 0 auto 56px;
  text-align: center;
}

.custom-intro p {
  font-size: 16px;
  color: #4B5563;
  line-height: 2;
}

.custom-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.custom-cap-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 40px 32px;
  border: 1px solid #F3F4F6;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.custom-cap-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: rgba(22, 119, 255, 0.2);
  transform: translateY(-4px);
}

.custom-cap-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 24px;
  background: rgba(22, 119, 255, 0.1);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
}

.custom-cap-icon svg {
  width: 32px;
  height: 32px;
  stroke: #1677FF;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.custom-cap-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 10px;
}

.custom-cap-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* 六大能力 - 错开式图文排布 */
.cap-detail {
  display: flex;
  align-items: center;
  gap: 56px;
  margin-bottom: 56px;
}

.cap-detail:last-child {
  margin-bottom: 0;
}

.cap-detail.reverse {
  flex-direction: row-reverse;
}

.cap-detail-img {
  flex: 0 0 420px;
  height: 260px;
  border-radius: 16px;
  overflow: hidden;
  background: #F7F8FA;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cap-detail-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cap-detail-text {
  flex: 1;
}

.cap-detail-text h3 {
  font-size: 22px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
}

.cap-detail-text p {
  font-size: 15px;
  color: #4B5563;
  line-height: 1.8;
}

.custom-process {
  max-width: 1000px;
  margin: 0 auto;
}

.custom-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.custom-case-card {
  background: #FFFFFF;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #F3F4F6;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s, box-shadow 0.3s;
}

.custom-case-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  transform: translateY(-4px);
}

.custom-case-img {
  width: 100%;
  height: 200px;
  background: #FAFBFC;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.custom-case-img img {
  max-width: 70%;
  max-height: 70%;
  object-fit: contain;
}

.custom-case-body {
  padding: 24px;
}

.custom-case-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(22, 119, 255, 0.08);
  color: #1677FF;
  font-size: 12px;
  border-radius: 6px;
  margin-bottom: 10px;
  font-weight: 500;
}

.custom-case-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 8px;
}

.custom-case-body p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.7;
}

/* Contact Map Section */
.contact-map-section {
  margin-top: 56px;
}

.contact-map-title {
  font-size: 18px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 16px;
}

.contact-map-img {
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #E5E7EB;
}

.contact-map-img img {
  width: 100%;
  height: auto;
  display: block;
}

/* ===== Footer ===== */
.footer {
  background: #1A2332;
  padding: 64px 0 28px;
  color: rgba(255,255,255,0.7);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

/* 页脚 logo：全白反白（原图字母是黑色，深色页脚上必须反白才看得见） */
.footer-logo img {
  height: 30px;
  width: auto;
  max-width: 100%;
  display: block;
  filter: brightness(0) invert(1);
}

.footer-col p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 5px 0;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: #1677FF;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}

/* ===== Career Page ===== */
.culture-intro {
  max-width: 860px;
  margin: 0 auto 56px;
  text-align: center;
}

.culture-intro p {
  font-size: 16px;
  color: #4B5563;
  line-height: 2;
  margin-bottom: 16px;
}

.culture-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.culture-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 40px 32px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s;
}

.culture-card:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.culture-card .culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: rgba(22, 119, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
}

.culture-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
}

.culture-card p {
  font-size: 14px;
  color: #6B7280;
  line-height: 1.75;
}

/* Job Cards */
.job-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.job-card {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  display: flex;
  flex-direction: column;
}

.job-card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border-color: rgba(22, 119, 255, 0.2);
}

.job-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #F3F4F6;
}

.job-title {
  font-size: 20px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 6px;
}

.job-dept {
  font-size: 13px;
  color: #1677FF;
  font-weight: 500;
}

.job-section {
  margin-bottom: 16px;
}

.job-section h4 {
  font-size: 14px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 8px;
}

.job-section ul {
  list-style: none;
  padding: 0;
}

.job-section li {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.7;
  padding-left: 16px;
  position: relative;
  margin-bottom: 4px;
}

.job-section li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: #1677FF;
  font-weight: 700;
}

.job-card .btn {
  margin-top: auto;
  padding: 10px 24px;
  font-size: 14px;
  align-self: flex-start;
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.benefit-item {
  background: #FFFFFF;
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid #F3F4F6;
  transition: transform 0.3s, box-shadow 0.3s;
}

.benefit-item:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);
}

.benefit-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: rgba(22, 119, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #1677FF;
}

.benefit-item h4 {
  font-size: 15px;
  font-weight: 600;
  color: #1A2332;
  margin-bottom: 4px;
}

.benefit-item p {
  font-size: 13px;
  color: #6B7280;
  line-height: 1.6;
}

/* Apply CTA */
.apply-cta {
  text-align: center;
  padding: 60px 0;
  background: #F7F8FA;
  border-radius: 16px;
  margin-top: 48px;
}

.apply-cta h3 {
  font-size: 24px;
  font-weight: 700;
  color: #1A2332;
  margin-bottom: 12px;
}

.apply-cta p {
  font-size: 15px;
  color: #6B7280;
  margin-bottom: 24px;
}

.apply-cta .email {
  font-size: 16px;
  color: #1677FF;
  font-weight: 600;
  margin-bottom: 20px;
  display: block;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 56px;
}

.pagination a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid #E5E7EB;
  font-size: 14px;
  color: #6B7280;
  transition: all 0.3s;
}

.pagination a:hover,
.pagination a.active {
  background: #1677FF;
  border-color: #1677FF;
  color: #FFFFFF;
}

/* ===== Responsive: Desktop 1200px ===== */
@media (max-width: 1200px) {
  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about-visual {
    flex: 0 0 340px;
    height: 260px;
  }
  .solution-detail-img {
    flex: 0 0 420px;
    height: 300px;
  }
  .solution-detail {
    gap: 48px;
  }
  /* logo 按断点等比缩放（比例 5.23:1；各档均为原值的 60%） */
  .logo-img {
    height: 36px;
  }
}

/* ===== Responsive: Tablet 768px ===== */
@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .section-title {
    font-size: 28px;
  }

  .section-subtitle {
    margin-bottom: 40px;
  }

  .hero {
    height: 480px;
  }

  .hero-title {
    font-size: 32px;
    letter-spacing: 1px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .capability-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .product-grid,
  .product-grid-4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .solution-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .about-row {
    flex-direction: column;
    gap: 36px;
  }

  .about-visual {
    flex: none;
    width: 100%;
    height: 220px;
  }

  .about-text h2 {
    font-size: 26px;
  }

  .about-values {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 40px;
  }

  .solution-detail,
  .solution-detail.reverse {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 48px;
  }

  .solution-detail-img {
    flex: none;
    width: 100%;
    height: 240px;
  }

  .solution-detail-text h3 {
    font-size: 22px;
  }

  .page-header {
    padding: 80px 0 50px;
  }

  .page-header h1 {
    font-size: 30px;
  }

  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    padding-left: 40px;
    padding-right: 0;
    text-align: left;
    flex-direction: row;
  }

  .timeline::before {
    left: 12px;
    transform: none;
  }

  .timeline-dot {
    left: 12px;
    transform: translateY(-50%);
  }

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

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-info-card,
  .contact-form {
    padding: 28px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .stat-number {
    font-size: 32px;
  }

  .cta-section {
    padding: 60px 0;
  }

  .cta-section h2 {
    font-size: 24px;
  }

  .product-img {
    height: 200px;
    padding: 20px;
  }

  .product-info {
    padding: 20px;
  }

  .culture-cards,
  .job-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .team-advantages {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .custom-capability-grid,
  .custom-case-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .apply-cta {
    padding: 40px 20px;
  }

  .apply-cta h3 {
    font-size: 20px;
  }

  /* 修复：定制服务「六大能力」图文在手机端溢出（原 flex: 0 0 420px 无适配） */
  .cap-detail,
  .cap-detail.reverse {
    flex-direction: column;
    gap: 24px;
    margin-bottom: 44px;
  }

  .cap-detail-img {
    flex: none;
    width: 100%;
    height: 210px;
  }

  .cap-detail-text h3 {
    font-size: 20px;
  }

  /* 修复：流程步骤在手机端向右溢出（::before 箭头 right: calc(-50% + 22px) 没被隐藏） */
  .process-steps {
    flex-wrap: wrap;
    justify-content: center;
    gap: 28px 16px;
  }

  .process-step {
    flex: 0 0 calc(33.333% - 11px);
    min-width: 0;
  }

  .process-step::before,
  .process-step::after {
    display: none;
  }

  /* 修复：子页 banner 在手机端改回纯高度（原 padding 与固定高度冲突） */
  .page-header {
    height: 240px;
    padding: 0;
  }

  /* 手机端：核心能力 / 解决方案 配图缩小（桌面保持 3:2 比例不变） */
  .capability-img,
  .solution-img {
    aspect-ratio: auto;
    height: 150px;
  }

  .capability-body {
    padding: 20px 18px 24px;
  }

  /* 手机端语言切换器：贴紧汉堡菜单 */
  .lang-switch {
    margin-left: auto;
    margin-right: 4px;
  }

  /* 平板/手机：logo 放大到 32px 高（167px 宽） */
  .logo-img {
    height: 32px;
  }
}

/* ===== Responsive: Mobile 480px ===== */
@media (max-width: 480px) {
  /* 小屏：logo 30px 高（157px 宽） */
  .logo-img {
    height: 30px;
  }

  .section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 24px;
  }

  .hero {
    height: 400px;
  }

  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .hero-arrows {
    display: none;
  }

  .capability-grid,
  .product-grid,
  .product-grid-4,
  .solution-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .stats-row {
    gap: 24px;
  }

  .stat-item {
    min-width: 120px;
    flex: 0 0 calc(50% - 12px);
  }

  .stat-number {
    font-size: 28px;
  }

  .tab-filter {
    margin-bottom: 32px;
  }

  .tab-btn {
    padding: 8px 18px;
    font-size: 13px;
  }

  .process-steps {
    flex-direction: column;
    align-items: center;
  }

  .process-step {
    flex: none;
    min-width: auto;
    width: 100%;
    max-width: 280px;
  }

  .process-step::after {
    display: none;
  }

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

  .culture-card,
  .job-card,
  .benefit-item {
    padding: 24px 20px;
  }

  .team-advantages {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .custom-capability-grid,
  .custom-case-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .team-adv-card {
    padding: 24px 20px;
  }
}