/* ========================================
   rccoe.com - New UI Stylesheet
   Section: Homepage
   ======================================== */

/* ====== 字体策略：移除远程 Google Fonts(阻塞渲染+慢)，改用本地中文字体兜底 ======
   font-family 链已含 Source Han Sans CN / Microsoft YaHei / PingFang SC 等本地字体，
   Noto Sans SC 仅作远程备胎，平替后视觉几乎无差、加载零阻塞。 */

/* ====== CSS Variables ====== */
:root {
  --primary: #103d99;
  --primary-dark: #0a2d70;
  --primary-light: #1e5bc6;
  --text-dark: #1a1a1a;
  --text-body: #555;
  --text-light: #999;
  --text-white: #ffffff;
  --bg-white: #ffffff;
  --bg-light: #f7f8fa;
  --bg-gray: #eef0f3;
  --border: #e5e7eb;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 8px 30px rgba(16, 61, 153, 0.15);
  --transition: all 0.3s ease;
  --radius: 8px;
  --max-width: 1200px;
  --hero-width: 1276px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Source Han Sans CN', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  font-size: 14px;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}

ul,
ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ====== Layout Container ====== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ====== Lazy Load Images ====== */
.lazy-img {
  /* background: var(--bg-gray); */
  opacity: 0;
  transition: opacity 0.4s ease;
}

.lazy-img.loaded {
  opacity: 1;
}

.lazy-bg {
  background-color: #0a2150;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* ========================================
   HERO (Header + Banner + Stats)
   ======================================== */
.hero {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 680px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #0a2150;
  z-index: 0;
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  /* background: linear-gradient(135deg, rgba(10, 33, 80, 0.7) 0%, rgba(16, 61, 153, 0.5) 100%); */
}

/* ========================================
   HEADER (transparent, on hero)
   ======================================== */
.header {
  position: relative;
  z-index: 10;
  background: transparent;
  flex-shrink: 0;
}

.header-inner {
  max-width: var(--hero-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  height: 72px;
  gap: 40px;
}

.header-logo {
  flex-shrink: 0;
}

.header-logo img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-tabs {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.nav-tab {
  padding: 8px 18px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius);
  white-space: nowrap;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
}

.nav-tab:hover {
  color: #ffffff;
}

.nav-tab.active {
  color: #ffffff;
  font-weight: 600;
  /* No background color */
}

/* Dropdown arrow icon for 产品技术 */
.nav-tab-arrow {
  width: 10px;
  height: 6px;
  margin-left: 4px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.nav-tab-wrapper:hover .nav-tab-arrow {
  transform: rotate(180deg);
}

/* Nav dropdown wrapper */
.nav-tab-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-tab-wrapper > .nav-tab {
  position: relative;
}

/* Nav dropdown (bubble) */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
  padding: 8px 0;
  min-width: 160px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 100;
}

.nav-dropdown-arrow {
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 12px;
  height: 12px;
  background: #ffffff;
  border-radius: 2px;
}

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

.nav-dropdown-item {
  display: block;
  padding: 10px 24px;
  font-size: 14px;
  color: var(--text-body);
  white-space: nowrap;
  text-align: center;
  transition: all 0.2s;
}

.nav-dropdown-item:hover {
  color: var(--primary);
  background: rgba(16, 61, 153, 0.05);
}

.header-actions {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}

.refresh-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.refresh-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.refresh-btn svg {
  width: 18px;
  height: 18px;
  stroke: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.refresh-btn:hover svg {
  stroke: #ffffff;
}

/* Light variant for white header pages */
.refresh-btn-light {
  background: rgba(30, 41, 59, 0.06);
}

.refresh-btn-light:hover {
  background: rgba(30, 41, 59, 0.12);
}

.refresh-btn-light svg {
  stroke: rgba(30, 41, 59, 0.6);
}

.refresh-btn-light:hover svg {
  stroke: #1e293b;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  cursor: pointer;
}

.menu-toggle span {
  width: 22px;
  height: 2px;
  background: #ffffff;
  border-radius: 2px;
  transition: var(--transition);
}

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

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* ========================================
   BANNER (inside hero)
   ======================================== */
.banner {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
}

.banner-content {
  max-width: var(--hero-width);
  margin: 0 auto;
  padding: 60px 20px 40px;
  width: 100%;
}

.banner-title {
  font-size: 40px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 2px;
  margin-bottom: 20px;
  line-height: 1.4;
}

.banner-subtitle {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 36px;
  max-width: 600px;
  line-height: 1.8;
}

.banner-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.banner-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  font-size: 18px;
  border-radius: var(--radius);
  transition: var(--transition);
}

/* 查看产品 button */
.banner-btn-primary {
  background: linear-gradient(135deg, #d5ae6c 0%, #f4dcaa 70.77%, #e3c083 100%);
  color: #5e4b36;
}

.banner-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(213, 174, 108, 0.4);
}

/* 联系专家 button */
.banner-btn-outline {
  background: transparent;
  color: var(--text-white);
  border: 1px solid #e9cb92;
}

.banner-btn-outline:hover {
  background: rgba(233, 203, 146, 0.1);
}

.banner-btn .btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-right: 3px;
}

.banner-btn .arrow {
  transition: transform 0.3s;
}

.banner-btn:hover .arrow {
  transform: translateX(4px);
}

/* ========================================
   STATS (inside hero, at bottom)
   ======================================== */
.stats {
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  padding: 0 0 50px;
}

.stats-container {
  max-width: var(--hero-width);
  margin: 0 auto;
  padding: 0 20px;
}

.stats-bar {
  width: 100%;
  background: rgba(91, 91, 210, 0.16);
  border-radius: 12px;
  padding: 28px 40px;
  display: flex;
  align-items: center;
  justify-content: space-around;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: #ffffff;
}

.stat-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.stat-text {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.1;
}

.stat-unit {
  font-size: 0.5em;
  font-weight: 600;
}

.stat-label {
  font-size: 14px;
  opacity: 0.85;
  letter-spacing: 1px;
  margin-top: 2px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

/* ========================================
   CARDS SECTION (no title, slidable)
   ======================================== */
.cards-section {
  padding: 60px 0;
  background: var(--bg-white);
}

.cards-scroll-wrapper {
  position: relative;
}

.cards-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 60px;
  padding: 0 0 30px;
  margin: 0 60px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 #f1f1f1;
  cursor: grab;
}

.cards-scroll.grabbing {
  cursor: grabbing;
  scroll-behavior: auto;
  scroll-snap-type: none;
}

.cards-scroll.grabbing * {
  user-select: none;
}

.cards-scroll::-webkit-scrollbar {
  height: 10px;
}

.cards-scroll::-webkit-scrollbar-track {
  background: #ececec;
  border-radius: 5px;
}

.cards-scroll::-webkit-scrollbar-thumb {
  background: #b0b0b0;
  border-radius: 5px;
}

.cards-scroll::-webkit-scrollbar-thumb:hover {
  background: #909090;
}

.card-item {
  flex: 0 0 568px;
  max-width: 568px;
  scroll-snap-align: start;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-white);
  border: 1px solid var(--border);
  transition: var(--transition);
  cursor: pointer;
}

.card-item:hover {
  background: var(--primary);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.card-img {
  width: 100%;
  height: 320px;
  overflow: hidden;
  position: relative;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.card-body {
  padding: 24px;
}

.card-title {
  font-size: 28px;
  font-weight: 700;
  color: #0b2044;
  line-height: 1;
  transition: var(--transition);
}

.card-desc {
  font-size: 20px;
  color: #738196;
  line-height: 1.4;
  margin-top: 30px;
  transition: var(--transition);
}

.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 180px;
  height: 55px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  color: var(--primary);
  margin-top: 45px;
  border-radius: 28px;
  border: 1px solid transparent;
  transition: var(--transition);
}

.card-item:hover .card-title {
  color: var(--text-white);
}

.card-item:hover .card-desc {
  color: rgba(255, 255, 255, 0.8);
}

.card-item:hover .card-link {
  border: 1px solid #ffffff;
  color: var(--text-white);
}

.card-link .arrow {
  transition: transform 0.3s;
}

.card-item:hover .card-link .arrow {
  transform: translateX(4px);
}

/* Triangle hint indicators below cards */
.cards-hint {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  margin-top: 30px;
}

.cards-hint-triangle {
  width: 8px;
  height: 13px;
  background: #4f5f83;
  display: inline-block;
  flex-shrink: 0;
}

.cards-hint-triangle.left {
  clip-path: polygon(0% 50%, 100% 0%, 100% 100%);
}

.cards-hint-triangle.right {
  clip-path: polygon(100% 50%, 0% 0%, 0% 100%);
}

.cards-hint-text {
  font-size: 14px;
  color: #4f5f83;
  white-space: nowrap;
}

/* ========================================
   NEWS SECTION
   ======================================== */
.news-section {
  padding: 70px 0;
  background: var(--bg-light);
}

.news-inner {
  padding: 0 80px;
}

.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}

.news-title-group {
  display: flex;
  flex-direction: column;
}

.news-en {
  font-size: 18px;
  color: #3372f1;
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.news-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-dark);
}

.news-tabs {
  display: flex;
  align-items: center;
  gap: 12px;
}

.news-tab {
  width: 140px;
  height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  line-height: 1;
  color: var(--text-body);
  border-radius: 25px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.news-tab:hover {
  color: var(--primary);
  border-color: var(--border);
}

.news-tab.active {
  color: var(--text-white);
  background: var(--primary);
  border-color: var(--primary);
}

.news-more {
  font-size: 14px;
  color: #2f6aec;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}

.news-more:hover {
  opacity: 0.8;
}

.news-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: start;
}

/* News feature (left big) */
.news-feature {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
}

.news-feature-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.news-feature:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.news-feature-img {
  width: 100%;
  height: 280px;
  overflow: hidden;
}

.news-feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s;
}

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

.news-feature-body {
  padding: 24px;
}

.news-feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-dark);
  line-height: 1.5;
}

.news-feature-desc {
  font-size: 14px;
  color: var(--text-body);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-feature-date {
  font-size: 13px;
  color: var(--text-light);
}

/* News list (right) - date below title, 20px gap */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-list-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.news-list-item:hover {
  box-shadow: var(--shadow-hover);
  border-left-color: var(--primary);
  transform: translateX(4px);
}

.news-list-item.active {
  border-left-color: var(--primary);
  /* background: rgba(205, 32, 41, 0.06); */
  box-shadow: var(--shadow-hover);
}

.news-list-item.active .news-list-title {
  color: var(--primary);
}

.news-list-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-list-item:hover .news-list-title {
  color: var(--primary);
}

.news-list-date {
  font-size: 13px;
  color: var(--text-light);
  white-space: nowrap;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  background: #1a2332;
  color: rgba(255, 255, 255, 0.7);
  padding: 50px 0 24px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
}

.footer-left {
  display: flex;
  flex-direction: column;
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: 0.6;
}

/* Footer bottom - no divider, 55px from info above */
.footer-bottom {
  margin-top: 55px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.7);
}

.footer-qr {
  text-align: center;
}

.footer-qr img {
  width: 120px;
  height: 120px;
  border-radius: var(--radius);
  margin-bottom: 8px;
  object-fit: cover;
}

.footer-qr span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
  position: fixed;
  right: 30px;
  bottom: 30px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--text-white);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 4px 12px rgba(16, 61, 153, 0.3);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-light);
  transform: translateY(-4px);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease forwards;
}

/* ========================================
   RESPONSIVE - Tablet
   ======================================== */
@media (max-width: 1200px) {
  .banner-title {
    font-size: 32px;
  }

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

  .stat-number {
    font-size: 30px;
  }

  .card-item {
    flex: 0 0 480px;
  }

  .news-content {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   RESPONSIVE - Mobile
   ======================================== */
@media (max-width: 768px) {
  .header-inner {
    height: 60px;
    gap: 10px;
  }

  .header-logo img {
    height: 32px;
  }

  .nav-tabs {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: rgba(10, 33, 80, 0.96);
    flex-direction: column;
    align-items: stretch;
    padding: 10px 20px;
    gap: 4px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }

  .nav-tabs.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-tab {
    padding: 12px 16px;
    border-radius: var(--radius);
  }

  /* Hide dropdown on mobile, show as regular nav item */
  .nav-tab-wrapper {
    display: block;
  }

  .nav-dropdown {
    display: none;
  }

  .nav-tab-arrow {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .refresh-btn {
    margin-left: auto;
  }

  /* Hero */
  .hero {
    min-height: 520px;
  }

  .banner-content {
    padding: 40px 20px 30px;
  }

  .banner-title {
    font-size: 24px;
    letter-spacing: 1px;
  }

  .banner-subtitle {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .banner-btn {
    padding: 10px 24px;
    font-size: 15px;
  }

  /* Stats */
  .stats {
    padding: 0 0 30px;
  }

  .stats-bar {
    padding: 20px 16px;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 12px;
  }

  .stat-item {
    flex: 0 0 calc(50% - 6px);
    gap: 10px;
  }

  .stat-icon {
    width: 28px;
    height: 28px;
  }

  .stat-number {
    font-size: 22px;
  }

  .stat-label {
    font-size: 12px;
  }

  .stat-divider {
    display: none;
  }

  /* Cards */
  .cards-section {
    padding: 40px 0;
  }

  .cards-scroll {
    padding: 0 0 20px;
    margin: 0 20px;
    scroll-padding-left: 20px;
  }

  .card-item {
    flex: 0 0 85%;
    min-width: 260px;
  }

  .card-img {
    height: 180px;
  }

  .card-body {
    padding: 18px;
  }

  .card-title {
    font-size: 22px;
  }

  .card-desc {
    font-size: 16px;
  }

  .cards-hint {
    margin-top: 20px;
  }

  /* News */
  .news-section {
    padding: 40px 0;
  }

  .news-inner {
    padding: 0 20px;
  }

  .news-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .news-title {
    font-size: 22px;
  }

  .news-tabs {
    flex-wrap: wrap;
  }

  .news-tab {
    width: 110px;
    height: 42px;
    font-size: 13px;
  }

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

  .news-feature-img {
    height: 200px;
  }

  .news-list-item {
    padding: 16px;
    gap: 12px;
  }

  .news-list-title {
    font-size: 14px;
  }

  /* Footer */
  .footer {
    padding: 30px 0 20px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
  }

  .footer-qr {
    text-align: left;
  }

  .footer-qr img {
    width: 100px;
    height: 100px;
  }

  .footer-bottom {
    margin-top: 35px;
  }

  /* Back to top */
  .back-to-top {
    right: 16px;
    bottom: 16px;
    width: 40px;
    height: 40px;
  }
}

/* ========================================
   RESPONSIVE - Small Mobile
   ======================================== */
@media (max-width: 480px) {
  .banner-title {
    font-size: 20px;
  }

  .banner-subtitle {
    font-size: 13px;
  }

  .banner-btns {
    flex-direction: column;
    gap: 10px;
  }

  .banner-btn {
    text-align: center;
    justify-content: center;
  }

  .stats-bar {
    gap: 12px;
  }

  .card-item {
    flex: 0 0 90%;
  }
}

/* ========================================
   ABOUT PAGE - Header (light variant)
   ======================================== */
.header-light {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.nav-tab-light {
  color: #1e293b;
}

.nav-tab-light:hover {
  color: #3372f1;
}

.nav-tab-light.active {
  color: #3372f1;
  font-weight: 600;
}

.header-light .nav-tab-arrow {
  stroke: #1e293b;
}

.header-light .nav-tab-wrapper:hover .nav-tab-arrow {
  stroke: #3372f1;
}

.menu-toggle-light span {
  background: #1e293b;
}

/* ========================================
   ABOUT PAGE - Hero
   ======================================== */
.about-hero {
  position: relative;
  height: 469px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.about-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #0a2150;
  z-index: 0;
}

.about-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  /* background: linear-gradient(135deg, rgba(10, 33, 80, 0.7) 0%, rgba(16, 61, 153, 0.5) 100%); */
}

.about-hero-content {
  position: relative;
  z-index: 2;
  text-align: left;
  padding-left: calc(1049 / 1920 * 100%);
  padding-right: 40px;
  width: 100%;
  box-sizing: border-box;
}

.about-breadcrumb {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1;
}

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

.about-breadcrumb a:hover {
  color: #ffffff;
}

.breadcrumb-sep {
  margin: 0 8px;
}

.breadcrumb-current {
  color: #ffffff;
}

.about-hero-title {
  font-size: 57px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: 2px;
  margin-top: 36px;
  line-height: 1;
}

.about-hero-subtitle {
  font-size: 20px;
  color: rgba(255, 255, 255, 0.7);
  margin-top: 24px;
  line-height: 1;
}

/* ========================================
   ABOUT PAGE - Section labels & titles (shared)
   ======================================== */
.about-intro .section-label,
.about-honors .section-label,
.about-management .section-label,
.about-experts .section-label {
  color: #2563eb;
  font-size: 20px;
}

.about-intro .section-title,
.about-honors .section-title,
.about-management .section-title,
.about-experts .section-title {
  color: #0a2463;
  font-size: 37px;
}

.section-label {
  display: block;
  font-weight: 400;
  letter-spacing: 1px;
  margin-bottom: 8px;
  line-height: 1;
}

.section-title {
  font-weight: 700;
  line-height: 1;
}

/* ========================================
   ABOUT PAGE - Intro (ABOUT GROUP)
   ======================================== */
.about-intro {
  background-image: url('../uploadfile/images/about/aboutBg.png');
  background-size: cover;
  background-repeat: no-repeat;
  padding: 80px 0;
}

.about-intro-inner {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 239px;
}

.about-intro-header {
  margin-bottom: 50px;
}

.about-intro-header .section-label {
  margin-bottom: 12px;
}

.about-intro-body {
  display: flex;
  gap: 60px;
  align-items: center;
}

.about-intro-left {
  flex: 1;
}

.about-intro-text p {
  font-size: 15px;
  color: #555;
  line-height: 2;
  margin-bottom: 20px;
  text-align: justify;
}

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

.about-intro-right {
  flex: 0 0 42%;
  max-width: 702px;
}

/* Carousel */
.about-carousel {
  position: relative;
  width: 100%;
  height: 398px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
}

.about-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
  height: 100%;
}

.about-carousel-slide {
  flex: 0 0 100%;
  height: 100%;
}

.about-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.about-carousel-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
}

.carousel-dot.active {
  background: #ffffff;
  width: 24px;
  border-radius: 4px;
}

/* ========================================
   ABOUT PAGE - Honors (BRAND HONORS)
   ======================================== */
.about-honors {
  position: relative;
  padding: 80px 0;
  /* margin-bottom: 90px; */
  overflow: hidden;
}

.about-honors-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #f7f8fa;
  z-index: 0;
}

.about-honors-inner {
  position: relative;
  z-index: 1;
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 239px;
  display: flex;
  justify-content: flex-end;
}

.about-honors-right {
  flex: 0 0 700px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border-radius: 16px;
  padding: 40px 44px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  box-sizing: border-box;
}

.about-honors-right .section-title {
  margin-bottom: 36px;
}

.honor-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.honor-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.honor-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3372f1;
  flex-shrink: 0;
}

.honor-text {
  font-size: 18px;
  color: #313b48;
  line-height: 1.5;
}

/* 荣誉资质轮播（保留原 .honor-item 样式，仅外层改为可滑动分页） */
.honor-carousel {
  width: 100%;
}

.honor-carousel-viewport {
  overflow: hidden;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
}

.honor-carousel-track {
  display: flex;
  transition: transform 0.35s ease;
  will-change: transform;
}

.honor-page {
  flex: 0 0 100%;
  min-width: 100%;
}

.honor-page .honor-list {
  padding: 2px 0;
}

/* 轮播小白点（分页指示器） */
.honor-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
}

.honor-dot-nav {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(51, 114, 241, 0.25);
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease, border-radius 0.25s ease;
}

.honor-dot-nav.active {
  width: 24px;
  border-radius: 5px;
  background: #3372f1;
}

/* ========================================
   ABOUT PAGE - Organizational Structure
   ======================================== */
.about-org {
  padding: 80px 0;
  background: #ffffff;
}

.about-org-inner {
  max-width: 1920px;
  margin: 0 auto;
  padding: 0 239px;
}

.about-org-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 36px;
}

.about-org-titles {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about-org-titles .section-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.about-org-titles .section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0;
}

.about-org-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
  color: #5b6b80;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-box {
  display: inline-block;
  width: 16px;
  height: 12px;
  border-radius: 3px;
  background: #ffffff;
}

.legend-sub-box {
  border: 1.5px solid #2a6df4;
}

.legend-assoc-box {
  border: 1.5px dashed #f59e0b;
  background: rgba(255, 247, 230, 0.6);
}

.legend-line {
  display: inline-block;
  width: 22px;
  height: 0;
  border-top: 1.5px solid #2a6df4;
}

.legend-assoc-line {
  border-top: 1.5px solid #f59e0b;
}

/* 架构图主体 */
.about-org-chart {
  position: relative;
  width: 100%;
  aspect-ratio: 1200 / 580;
  background: linear-gradient(180deg, #f7faff 0%, #ffffff 55%);
  border-radius: 16px;
  border: 1px solid #e7ecf3;
}

/* SVG 连线层 */
.about-org-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.about-org-lines .line-hold {
  stroke: #2a6df4;
  stroke-width: 2;
  fill: none;
}

.about-org-lines .line-assoc {
  stroke: #f59e0b;
  stroke-width: 2;
  stroke-dasharray: 6 4;
  fill: none;
}

/* 持股 / 参股标签（位于节点之间的连线上，居中对位） */
.about-org-tags {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.org-tag {
  position: absolute;
  transform: translate(-50%, -50%);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 11px;
  white-space: nowrap;
  line-height: 1;
}

.tag-hold {
  color: #2a6df4;
  border: 1px solid #c9d8ff;
  background: #f0f6ff;
}

.tag-assoc {
  color: #d97706;
  border: 1px dashed #f59e0b;
  background: #fffaf0;
}

/* 节点卡片通用 */
.org-node {
  position: absolute;
  z-index: 3;
  background: #ffffff;
  border: 1px solid #c9d8ff;
  border-radius: 8px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
  box-sizing: border-box;
}

/* 控股 / 全资子公司：白底 + 蓝细实线边框 */
.org-node-sub {
  border: 1px solid #d4dde8;
  background: #ffffff;
}

/* 参股公司：白底 + 橙虚线边框 + 浅橙底色 */
.org-node-assoc {
  border: 1.5px dashed #f59e0b;
  background: rgba(255, 247, 230, 0.55);
}

/* 顶层主公司（深蓝渐变、阴影、白色文字） */
.org-node-main {
  background: linear-gradient(135deg, #1a326d 0%, #2a4498 100%);
  border: none;
  box-shadow: 0 6px 20px rgba(26, 50, 109, 0.22);
}

.org-name-sub {
  font-size: 13px;
  font-weight: 600;
  color: #1a326d;
  line-height: 1.3;
}

.org-subname-sub {
  font-size: 11px;
  color: #97a5ba;
  line-height: 1.3;
}

.org-name-main {
  font-size: 18px;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
}

.org-subname-main {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.3;
}

/* 底部注释（参股方说明）—— 右下角小框 */
.org-note {
  position: absolute;
  z-index: 3;
  background: rgba(255, 247, 230, 0.55);
  border: 1.5px dashed #f59e0b;
  border-radius: 8px;
  padding: 8px 10px;
  box-sizing: border-box;
  text-align: left;
}

.org-note-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: #d97706;
  margin-bottom: 3px;
}

.org-note-desc {
  font-size: 10px;
  color: #97a5ba;
  line-height: 1.4;
}

/* ===== 移动端纵向组织架构树（仅在窄屏显示，桌面端隐藏） ===== */
.about-org-tree {
  display: none;
  margin-top: 10px;
}

.org-tree-main {
  background: linear-gradient(135deg, #1a326d 0%, #2a4498 100%);
  border-radius: 12px;
  padding: 16px 18px;
  text-align: center;
  box-shadow: 0 6px 18px rgba(26, 50, 109, 0.18);
  margin-bottom: 0;
}

.org-tree-main .org-tree-name {
  color: #ffffff;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
}

.org-tree-main .org-tree-sub {
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  margin-top: 4px;
}

.org-tree-list,
.org-tree-children {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* 连接主干：主公司与各子公司、以及嵌套子级都用「竖主干 + 横向弯角 + 连接点圆点」，
   层级关系明确，不存在歧义 */
.org-tree-list,
.org-tree-children {
  position: relative;
  margin-left: 28px;
  padding-left: 28px;
  padding-top: 20px;
}

/* 主脊（主公司 → 各子公司）：加粗加深，作为明确的"主干" */
.org-tree-list::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 22px;
  left: 0;
  width: 2.5px;
  height: calc(100% - 42px);
  background: #2a6df4;
}

/* 分支（子公司 → 其下级公司）：细浅蓝，层级弱，避免与主干混淆 */
.org-tree-children::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 22px;
  left: 0;
  width: 1.5px;
  height: 37px;
  background: #9db4e8;
}

.org-tree-item {
  position: relative;
  margin-bottom: 14px;
}

.org-tree-item:last-child {
  margin-bottom: 0;
}

/* 横向弯角：主脊 → 子公司卡片（粗） */
.org-tree-list > .org-tree-item::before {
  content: '';
  position: absolute;
  top: 21px;
  left: -28px;
  width: 28px;
  height: 2.5px;
  background: #2a6df4;
}

/* 横向弯角：分支 → 下级公司卡片（细） */
.org-tree-children > .org-tree-item::before {
  content: '';
  position: absolute;
  top: 21px;
  left: -28px;
  width: 28px;
  height: 1.5px;
  background: #9db4e8;
}

/* 连接点圆点（主脊交点，深蓝） */
.org-tree-list > .org-tree-item::after {
  content: '';
  position: absolute;
  top: 18px;
  left: -31px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #2a6df4;
  box-sizing: border-box;
}

/* 连接点圆点（分支交点，浅蓝） */
.org-tree-children > .org-tree-item::after {
  content: '';
  position: absolute;
  top: 17px;
  left: -32px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ffffff;
  border: 2px solid #9db4e8;
  box-sizing: border-box;
}

.org-tree-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: #ffffff;
  border: 1px solid #d4dde8;
  border-radius: 10px;
  padding: 12px 14px;
}

.org-card-assoc {
  border: 1.5px dashed #f59e0b;
  background: rgba(255, 247, 230, 0.55);
}

.org-tree-name {
  font-size: 14px;
  font-weight: 600;
  color: #1a326d;
  line-height: 1.35;
}

.org-tree-rel {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 500;
  padding: 3px 9px;
  border-radius: 11px;
  white-space: nowrap;
}

.org-tree-note {
  margin-top: 16px;
  text-align: right;
  font-size: 11px;
  color: #97a5ba;
  line-height: 1.5;
}

.org-tree-note b {
  color: #d97706;
  font-weight: 600;
}

/* 响应式 */
@media (max-width: 1024px) {
  .about-org-inner {
    padding: 0 32px;
  }
  .about-org-chart {
    aspect-ratio: 1200 / 700;
  }
}

@media (max-width: 768px) {
  .about-org {
    padding: 50px 0;
  }
  .about-org-inner {
    padding: 0 20px;
  }
  .about-org-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .about-org-legend {
    font-size: 12px;
    gap: 12px;
  }
  /* 窄屏改用纵向树，隐藏横向架构图，避免挤压看不全 */
  .about-org-chart {
    display: none;
  }
  .about-org-tree {
    display: block;
  }
}
.about-management {
  background-image: url('../uploadfile/images/about/managementBg.png');
  background-size: cover;
  background-repeat: no-repeat;
  padding: 90px 0 80px;
}

.management-header {
  margin-bottom: 10px;
}

.management-header .section-label {
  margin-bottom: 12px;
}

.management-cards-container {
  margin: 0 239px;
  overflow-x: auto;
}

.management-cards {
  padding-top: 50px;
  display: flex;
  gap: 30px;
}

.management-card {
  flex: 0 0 450px;
  background: linear-gradient(181deg, #e1ecff 0%, #fbfdff 100%);
  border-radius: 12px;
  overflow: visible;
  position: relative;
  display: flex;
  border: 1px solid rgba(16, 61, 153, 0.08);
  flex-direction: column;
}

.management-card:hover {
  box-shadow: 0 8px 30px rgba(16, 61, 153, 0.12);
}

/* 创始人介绍：单图展示（替换原卡片内容）。
   恢复原卡片只需删除 .hide-founder-cards 这个类（about.html 中 .management-cards 上的 class）。 */
.hide-founder-cards {
  display: none !important;
}

.founder-card-img-wrap {
  display: flex;
  justify-content: center;
  padding-top: 20px;
}

.founder-card-img-wrap picture {
  display: block;
  width: 100%;
}

.founder-card-img {
  width: 100%;
  /* max-width: 760px; */
  height: auto;
  border-radius: 16px;

  display: block;
}

.member-top {
  position: relative;
  display: flex;
  flex-direction: row;
  align-items: center;
  min-height: 230px;
}

.member-standee {
  position: absolute;
  left: 0px;
  top: -50px;
  z-index: 2;
}

.member-standee img {
  /* width: 180px; */
  height: 280px;
  object-fit: contain;
}

.member-info {
  position: absolute;
  right: 30px;
  padding-top: 52px;
  padding-right: 30px;
  z-index: 3;
  text-align: center;
}

.member-name {
  font-size: 22px;
  font-weight: 700;
  color: #0a2463;
  margin-bottom: 25px;
  line-height: 1;
}

.role-badge {
  display: inline-block;
  padding: 6px 20px;
  background: linear-gradient(180deg, #ffa144 0%, #fb7f1f 100%);
  color: #ffffff;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}

.member-divider {
  height: 1px;
  background: #daecfd;
  margin: 0 30px;
}

.member-bio {
  padding: 30px 30px 40px 30px;
  font-weight: 400;
  font-size: 14px;
  color: #585d65;
  line-height: 20px;
  text-align: justify;
}

/* ========================================
   ABOUT PAGE - Expert Team
   ======================================== */
.about-experts {
  background-image: url('../uploadfile/images/about/expertBg.png');
  background-size: cover;
  background-repeat: no-repeat;
  padding: 80px 0;
}

.expert-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 0 239px;
  margin-bottom: 40px;
}

.expert-header-left .section-label {
  margin-bottom: 12px;
}

.expert-tabs {
  display: flex;
  gap: 40px;
}

.expert-tab {
  position: relative;
  font-size: 18px;
  color: #43598f;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 0 28px 0;
  line-height: 1;
  transition: color 0.3s ease;
}

.expert-tab:hover {
  color: #1753e7;
}

.expert-tab.active {
  color: #1753e7;
}

.expert-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: #1753e7;
}

.expert-control {
  overflow-x: auto;
}

.expert-panels {
  padding: 0 239px;
}

.expert-panel {
  display: none;
}

.expert-panel.active {
  display: flex;
  gap: 24px;
  padding-top: 40px;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: #c1c1c1 #f1f1f1;
  scroll-padding-left: 239px;
}

.expert-panel.active::-webkit-scrollbar {
  height: 6px;
}

.expert-panel.active::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 3px;
}

.expert-panel.active::-webkit-scrollbar-thumb {
  background: #c1c1c1;
  border-radius: 3px;
}

.expert-panel.active::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}

.expert-card {
  flex: 0 0 336px;
  width: 336px;
  height: 336px;
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #cfe3f6 100%);
  border-radius: 12px;
  overflow: visible;
  scroll-snap-align: start;
}

.expert-card:hover {
  box-shadow: 0 8px 30px rgba(16, 61, 153, 0.12);
}

.expert-standee {
  position: absolute;
  left: 4px;
  bottom: 0;
  z-index: 1;
}

.expert-standee img {
  height: 366px;
  margin-top: -24px;
  width: auto;
  max-width: none;
  object-fit: contain;
  display: block;
}

.expert-info {
  position: absolute;
  text-align: center;
  top: 49px;
  right: 0px;
  z-index: 3;
}

.expert-name {
  font-size: 24px;
  font-weight: 700;
  color: #222223;
  line-height: 1;
}

.expert-name .degree {
  font-size: 24px;
  font-weight: 700;
  color: #222223;
  margin-left: 4px;
}

.expert-badge {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 0;
  margin-top: 23px;
  padding: 4px 16px;
  background: #1753e7;
  color: #ffffff;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  white-space: nowrap;
}

.expert-badge .badge-sep {
  margin: 0 8px;
  opacity: 0.6;
}

.expert-badge .badge-field,
.expert-badge .badge-title {
  display: inline;
}

/* ========================================
   ABOUT PAGE - Responsive (Tablet)
   ======================================== */
@media (max-width: 1200px) {
  .about-hero-content {
    padding-left: 50%;
  }

  .about-hero-title {
    font-size: 40px;
  }

  .about-intro-inner,
  .about-org-inner {
    padding: 0 60px;
  }

  .about-intro-right {
    flex: 0 0 42%;
  }

  .about-carousel {
    width: 100%;
    height: 300px;
  }

  .about-honors-inner {
    padding: 0 60px;
  }

  .about-honors-right {
    /* flex: 0 0 500px; */
  }

  .management-cards-container {
    margin: 0 60px;
    overflow-x: auto;
  }

  .management-card {
    flex: 0 0 calc(50% - 15px);
  }

  .member-standee {
    left: 15px;
    top: -40px;
  }

  .member-standee img {
    /* width: 140px; */
    height: 250px;
  }

  .member-info {
    padding-top: 40px;
    padding-right: 20px;
  }

  .member-top {
    min-height: 180px;
  }

  .expert-header {
    padding: 0 60px;
  }

  .expert-panels {
    padding: 0 60px;
  }

  .expert-panel.active {
    scroll-padding-left: 60px;
  }
}

/* About intro stacks earlier so the text column is not squeezed on small screens */
@media (max-width: 992px) {
  .about-intro-body {
    flex-direction: column;
    gap: 30px;
  }

  .about-intro-right {
    flex: 0 0 auto;
    width: 100%;
  }

  .about-carousel {
    width: 100%;
    height: 300px;
  }
}

/* ========================================
   ABOUT PAGE - Responsive (Mobile)
   ======================================== */
@media (max-width: 768px) {
  /* Light header mobile */
  .header-light .nav-tabs-light {
    background: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .header-light .nav-tab-light {
    color: #1e293b;
  }

  .header-light .nav-tab-light:hover {
    color: #3372f1;
  }

  .header-light .nav-tab-light.active {
    color: #3372f1;
  }

  /* About hero */
  .about-hero {
    height: 300px;
  }

  .about-hero-content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .about-breadcrumb {
    font-size: 14px;
  }

  .about-hero-title {
    font-size: 32px;
    margin-top: 20px;
  }

  .about-hero-subtitle {
    font-size: 14px;
    margin-top: 16px;
  }

  /* About section titles */
  .about-intro .section-title,
  .about-honors .section-title,
  .about-management .section-title,
  .about-experts .section-title {
    font-size: 28px;
  }

  .about-intro .section-label,
  .about-honors .section-label,
  .about-management .section-label,
  .about-experts .section-label {
    font-size: 16px;
  }

  /* About intro */
  .about-intro {
    padding: 40px 0;
  }

  .about-intro-inner,
  .about-org-inner {
    padding: 0 20px;
  }

  .about-intro-header {
    margin-bottom: 30px;
  }

  .about-intro-body {
    flex-direction: column;
    gap: 30px;
  }

  .about-intro-right {
    flex: 0 0 auto;
    width: 100%;
  }

  .about-carousel {
    width: 100%;
    height: 220px;
  }

  /* About honors */
  .about-honors {
    padding: 40px 0;
  }

  .about-honors-inner {
    flex-direction: column;
    padding: 0 20px;
  }

  .about-honors-right {
    flex: 0 0 auto;
    padding: 24px 20px;
    border-radius: 12px;
  }

  .honor-list {
    gap: 16px;
  }

  .honor-text {
    font-size: 14px;
  }

  /* About management */
  .about-management {
    padding: 50px 0 40px;
  }

  .management-cards-container {
    margin: 0 20px;
  }

  .management-header {
    margin-bottom: 30px;
  }

  .management-cards {
    padding-top: 0;
    flex-direction: column;
    gap: 20px;
  }

  .management-card {
    flex: 0 0 auto;
  }

  .member-standee {
    position: relative;
    left: auto;
    top: auto;
    margin-top: -20px;
    margin-left: 15px;
  }

  .member-standee img {
    /* width: 100px; */
    height: 180px;
  }

  .member-info {
    right: 0px;
    padding-top: 20px;
    padding-right: 15px;
  }

  .member-name {
    font-size: 18px;
    margin-bottom: 15px;
  }

  .member-top {
    min-height: 160px;
  }

  /* About experts */
  .about-experts {
    padding: 40px 0;
  }

  .expert-header {
    flex-direction: column;
    align-items: flex-start;
    padding: 0 20px;
    gap: 20px;
  }

  .expert-tabs {
    gap: 20px;
    flex-wrap: wrap;
  }

  .expert-tab {
    font-size: 14px;
    padding-bottom: 16px;
  }

  .expert-panels {
    padding: 0 20px;
  }

  .expert-panel.active {
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    overflow: visible;
    scroll-snap-type: none;
    scroll-padding-left: 0;
    scrollbar-width: none;
  }

  .expert-panel.active::-webkit-scrollbar {
    display: none;
  }

  .expert-card {
    margin-bottom: 20px;
    flex: 0 0 100%;
    width: 100%;
    max-width: 336px;
    height: 336px;
  }

  .expert-standee img {
    height: 366px;
    margin-top: -24px;
  }

  .expert-info {
    top: 20px;
    right: 16px;
    left: auto;
  }

  .expert-name {
    font-size: 20px;
  }

  .expert-name .degree {
    font-size: 20px;
  }
}

/* ========================================
   PRODUCT PAGE
   ======================================== */
.product-section {
  padding: 50px calc(120 / 1920 * 100%) 80px;
  background: #f7faff;
}

.product-mobile-bar {
  display: none;
}

.product-inner {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

/* ---- Sidebar ---- */
.product-sidebar {
  flex: 0 0 349px;
  width: 349px;
  min-height: 927px;
  background: #ffffff;
  box-shadow: 0px 3px 6px 1px rgba(183, 183, 183, 0.16);
  border-radius: 28px;
  padding: 41px 31px 60px 35px;
  box-sizing: border-box;
}

.sidebar-title {
  font-size: 18px;
  font-weight: 700;
  color: #0a2463;
  line-height: 1;
  margin-bottom: 30px;
}

.sidebar-category {
  border-bottom: 1px solid #cfdbf1;
}

.sidebar-category:last-child {
  border-bottom: none;
}

.sidebar-category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  cursor: pointer;
  user-select: none;
}

.sidebar-category-name {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  font-weight: 700;
  color: #0a2463;
  line-height: 1;
}

.sidebar-cat-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: #0a2463;
}

.sidebar-chevron {
  width: 10px;
  height: 6px;
  color: #0a2463;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.sidebar-category.expanded .sidebar-chevron {
  transform: rotate(180deg);
}

.sidebar-sub-list {
  padding-bottom: 18px;
}

.sidebar-sub-item {
  font-size: 18px;
  color: #455d9a;
  line-height: 44px;
  height: 44px;
  padding: 0 0 0 22px;
  margin-bottom: 4px;
  cursor: pointer;
  transition: color 0.2s ease;
  box-sizing: border-box;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-sub-item:last-child {
  margin-bottom: 0;
}

.sidebar-sub-item:hover {
  color: #1753e7;
}

.sidebar-sub-item.active {
  color: #0a2463;
  font-weight: 600;
  background: #eef2ff;
  border-radius: 9px;
}

/* 二级子菜单头（分类下的子分组，如 光学应用 / 激光定向能） */
.sidebar-submenu {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0 12px 22px;
  cursor: pointer;
  user-select: none;
}

.sidebar-submenu-name {
  font-size: 16px;
  font-weight: 600;
  color: #2a3f6b;
  line-height: 1;
}

.sidebar-chevron-sm {
  width: 9px;
  height: 6px;
  color: #6b7da3;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.sidebar-submenu.expanded .sidebar-chevron-sm {
  transform: rotate(180deg);
}

.sidebar-leaf-list {
  padding-bottom: 8px;
}

/* 三级条目（子菜单下的具体产品，如 大气湍流模拟） */
.sidebar-leaf {
  font-size: 15px;
  color: #5a6e9e;
  line-height: 38px;
  height: 38px;
  padding: 0 0 0 44px;
  margin-bottom: 2px;
  cursor: pointer;
  transition: color 0.2s ease;
  box-sizing: border-box;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-leaf:last-child {
  margin-bottom: 0;
}

.sidebar-leaf:hover {
  color: #1753e7;
}

.sidebar-leaf.active {
  color: #0a2463;
  font-weight: 600;
  background: #eef2ff;
  border-radius: 9px;
}

/* ---- Content ---- */
.product-content {
  flex: 1 1 0;
  width: auto;
  max-width: 1053px;
  min-width: 0;
  /* height: 1222px; */
  background: #ffffff;
  box-shadow: 0px 3px 6px 1px rgba(183, 183, 183, 0.16);
  border-radius: 28px;
  padding: 11px 16px;
  box-sizing: border-box;
  overflow: hidden;
}

.product-content img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ========================================
   CASES PAGE - Sidebar (flat list, no categories)
   ======================================== */
.cases-list {
  padding-bottom: 0;
}

.cases-list .sidebar-sub-item {
  padding: 0 0 0 16px;
}

.cases-list .sidebar-sub-item:last-child {
  margin-bottom: 0;
}

/* ========================================
   PRODUCT PAGE - Responsive (Tablet)
   ======================================== */
@media (max-width: 1200px) {
  .product-section {
    padding: 40px 60px 60px;
  }

  .product-inner {
    gap: 24px;
  }

  .product-sidebar {
    flex: 0 0 280px;
    width: 280px;
    min-height: auto;
    padding: 30px 20px 40px 25px;
  }

  .sidebar-title {
    margin-bottom: 20px;
  }

  .sidebar-category-header {
    padding: 14px 0;
  }

  .sidebar-sub-item {
    line-height: 40px;
    height: 40px;
    padding: 0 0 0 18px;
  }

  .product-content {
    flex: 1 1 0;
    width: auto;
    height: auto;
    min-height: 600px;
  }
}

/* ========================================
   PRODUCT PAGE - Responsive (Mobile)
   ======================================== */
@media (max-width: 768px) {
  .product-section {
    padding: 30px 20px 50px;
  }

  .product-mobile-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: #ffffff;
    box-shadow: 0px 3px 6px 1px rgba(183, 183, 183, 0.16);
    border-radius: 16px;
    padding: 16px 20px;
    margin-bottom: 16px;
    cursor: pointer;
    user-select: none;
    box-sizing: border-box;
  }

  .product-mobile-bar span {
    font-size: 18px;
    font-weight: 700;
    color: #455d9a;
  }

  .product-mobile-arrow {
    width: 10px;
    height: 6px;
    color: #455d9a;
    transition: transform 0.3s ease;
  }

  .product-mobile-bar.open .product-mobile-arrow {
    transform: rotate(180deg);
  }

  .product-inner {
    flex-direction: column;
    gap: 0;
  }

  .product-sidebar {
    flex: 0 0 auto;
    width: 100%;
    min-height: auto;
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    border-radius: 16px;
    transition: max-height 0.4s ease, padding 0.4s ease;
    box-shadow: 0px 3px 6px 1px rgba(183, 183, 183, 0.16);
  }

  .product-sidebar.mobile-open {
    max-height: 800px;
    padding: 30px 20px 40px;
  }

  .sidebar-title {
    margin-bottom: 16px;
  }

  .sidebar-category-header {
    padding: 12px 0;
  }

  .sidebar-category-name {
    font-size: 16px;
  }

  .sidebar-chevron {
    width: 9px;
    height: 5px;
  }

  .sidebar-sub-item {
    font-size: 16px;
    line-height: 40px;
    height: 40px;
    padding: 0 0 0 16px;
    margin-bottom: 2px;
  }

  .product-content {
    flex: 0 0 auto;
    width: 100%;
    height: auto;
    margin-top: 16px;
    padding: 8px 10px;
    border-radius: 16px;
    /* aspect-ratio: 1021 / 1200; */
    min-height: 438px;
  }

  .product-content img {
    border-radius: 10px;
    object-fit: contain;
  }
}

/* ========================================
   News Page
   ======================================== */
.news-sidebar .sidebar-title {
  display: none;
}

.news-categories {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-category {
  border-bottom: none;
}

.news-category-title {
  font-size: 18px;
  font-weight: 700;
  color: #0a2463;
  line-height: 1;
  margin-bottom: 12px;
}

.news-item-list {
  display: flex;
  flex-direction: column;
}

.news-item {
  padding: 14px 12px;
  cursor: pointer;
  /* border-bottom: 1px solid #cfdbf1; */
  transition: background-color 0.2s ease;
  border-radius: 9px;
}

.news-item:last-child {
  border-bottom: none;
}

.news-item:hover .news-item-title {
  color: #1753e7;
}

.news-item.active {
  background: #eef2ff;
}

.news-item-title {
  font-size: 16px;
  font-weight: 600;
  color: #455d9a;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-item-date {
  font-size: 16px;
  color: #738196;
  line-height: 1;
  margin-top: 23px;
}

/* ---- Article ---- */
.news-article {
  flex: 1 1 0;
  width: auto;
  max-width: 1053px;
  min-width: 0;
  /* min-height: 1222px; */
  background: #ffffff;
  box-shadow: 0px 3px 6px 1px rgba(183, 183, 183, 0.16);
  border-radius: 28px;
  padding: 40px 48px;
  box-sizing: border-box;
}

.news-article-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 32px;
}

.news-article-title {
  flex: 1 1 auto;
  font-size: 28px;
  font-weight: 700;
  color: #0a2463;
  line-height: 1.4;
  margin: 0;
}

.news-article-date {
  flex: 0 0 auto;
  font-size: 16px;
  color: #738196;
  line-height: 1.4;
  margin-top: 8px;
}

.news-article-carousel {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 32px;
  /* none：横向滑动完全交给 JS，避免浏览器把斜向滑动判为滚动而触发 pointercancel 中断拖拽 */
  touch-action: none;
  -ms-touch-action: none;
  /* 阻止桌面端鼠标拖拽时选中轮播内文字/触发原生拖影，否则会抢走 pointermove 导致“动一下就弹回” */
  user-select: none;
  -webkit-user-select: none;
  display: none;
}

.news-article-carousel.has-images {
  display: block;
}

.news-carousel-track {
  display: flex;
  transition: transform 0.4s ease;
  /* 拖拽跟手时由 JS 临时置为 none；此处也设为 none 兜底，防止浏览器手势抢占 */
  touch-action: none;
  /* 与容器一致，禁止文本选区抢占 pointermove（图片层已 pointer-events:none，指针实际落在此层） */
  user-select: none;
  -webkit-user-select: none;
}

.news-carousel-track img {
  flex: 0 0 100%;
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  /* 拖拽时禁止图片原生拖影 / 选中，保证 pointer 事件落在轮播容器上 */
  user-select: none;
  -webkit-user-drag: none;
  pointer-events: none;
}

.news-article-carousel {
  cursor: grab;
}

.news-article-carousel.is-dragging {
  cursor: grabbing;
}

.news-carousel-indicators {
  position: absolute;
  right: 16px;
  bottom: 16px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.news-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.news-carousel-dot.active {
  background: #ffffff;
}

.news-article-body {
  font-size: 16px;
  color: #313b48;
  line-height: 1.8;
  text-align: justify;
}

.news-article-body p {
  margin: 0 0 18px 0;
}

.news-article-body p:last-child {
  margin-bottom: 0;
}

.news-article-body a {
  color: #1753e7;
  text-decoration: underline;
}

.news-article-body a:hover {
  color: #0a2463;
}

.news-article-nav {
  display: flex;
  gap: 20px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid #cfdbf1;
}

.news-nav-btn {
  flex: 0 1 45%;
  max-width: 45%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  background: #f7faff;
  border-radius: 12px;
  color: #455d9a;
  font-size: 14px;
  line-height: 1.4;
  transition: background-color 0.2s ease, color 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.news-nav-btn:hover {
  background: #eef2ff;
  color: #0a2463;
}

.news-nav-btn.next {
  margin-left: auto;
  align-items: flex-end;
  text-align: right;
}

.news-nav-label {
  font-size: 12px;
  color: #738196;
}

.news-nav-title {
  font-weight: 600;
  color: #0a2463;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1200px) {
  .news-article {
    width: auto;
    flex: 1 1 0;
    min-height: auto;
    padding: 30px 32px;
  }

  .news-carousel-track img {
    height: 340px;
  }

  .news-article-title {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .news-article {
    width: 100%;
    padding: 20px 16px;
    border-radius: 16px;
    min-height: auto;
  }

  .news-article-header {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
  }

  .news-article-title {
    font-size: 20px;
  }

  .news-article-date {
    margin-top: 0;
    font-size: 14px;
  }

  .news-carousel-track img {
    height: 220px;
    border-radius: 10px;
  }

  .news-article-body {
    font-size: 15px;
  }

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

  .news-nav-btn {
    flex: 1 1 0;
    max-width: none;
  }

  .news-nav-btn.next {
    margin-left: 0;
  }

  .news-item {
    padding: 12px 10px;
  }
}

/* ========================================
   Jobs / Recruitment Page
   ======================================== */
.jobs-section {
  background: #f7faff;
  padding: 80px 0 120px;
}

.jobs-section-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Header */
.jobs-header {
  text-align: center;
}

.jobs-eyebrow {
  font-size: 20px;
  color: #2563eb;
  font-weight: 600;
  letter-spacing: 3px;
  margin: 0 0 14px;
  text-align: center;
}

.jobs-title {
  font-size: 37px;
  font-weight: 700;
  color: #0a2463;
  line-height: 1.3;
  margin: 0;
}

.jobs-title-underline {
  width: 81px;
  height: 4px;
  background: linear-gradient(90deg, #2460e5 0%, #0b2769 100%);
  border-radius: 2px;
  margin: 20px auto 0;
}

.jobs-subtitle {
  font-size: 20px;
  color: #738196;
  line-height: 1.6;
  margin: 23px auto 0;
  max-width: 700px;
}

/* Accordion */
.jobs-accordion {
  margin-top: 56px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.job-accordion-item {
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid #eaeef6;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

.job-accordion-item:hover {
  border-color: #c5d3f0;
  box-shadow: 0 4px 20px rgba(10, 36, 99, 0.08);
}

.job-accordion-item.active {
  border-color: #2460e5;
  box-shadow: 0 4px 24px rgba(36, 96, 229, 0.12);
}

/* Accordion Header */
.job-accordion-header {
  display: flex;
  align-items: center;
  padding: 24px 32px;
  cursor: pointer;
  user-select: none;
  gap: 20px;
}

.job-accordion-icon {
  flex-shrink: 0;
  width: 62px;
  height: 62px;
}

.contact-accordion-icon {
  flex-shrink: 0;
  width: 13px;
  height: 15px;
}

.job-accordion-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.job-accordion-info {
  flex: 1;
  min-width: 0;
}

.job-accordion-title {
  font-size: 25px;
  font-weight: 600;
  color: #0a2463;
  margin: 0;
  line-height: 1.3;
}

.job-accordion-desc {
  font-size: 16px;
  color: #95a4b9;
  margin: 16px 0 0;
  line-height: 1.5;
}

.job-accordion-arrow {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.job-accordion-arrow svg {
  width: 100%;
  height: 100%;
  display: block;
}

.job-accordion-item.active .job-accordion-arrow {
  transform: rotate(180deg);
}

/* Accordion Body */
.job-accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.job-accordion-item.active .job-accordion-body {
  max-height: 5000px;
}

.job-accordion-content {
  padding: 0 32px 32px 32px;
  border-top: 1px solid #eaeef6;
  padding-top: 28px;
}

/* Content Typography - Level-based */
.job-accordion-content h2.job-h1 {
  font-size: 22px;
  font-weight: 700;
  color: #0b2564;
  margin: 28px 0 12px;
  line-height: 1.4;
}

.job-accordion-content h2.job-h1:first-child {
  margin-top: 0;
}

.job-accordion-content h2.job-h1 strong {
  color: #0b2564;
  font-weight: 700;
}

.job-accordion-content h3.job-h3 {
  font-size: 18px;
  font-weight: 600;
  color: #0b2564;
  margin: 24px 0 10px;
  line-height: 1.4;
}

.job-accordion-content h3.job-h3 strong {
  color: #0b2564;
  font-weight: 600;
}

.job-accordion-content .job-l2 {
  font-size: 18px;
  font-weight: 600;
  color: #0b2564;
  margin: 16px 0 8px;
  line-height: 1.6;
}

.job-accordion-content .job-l2 strong {
  color: #0b2564;
  font-weight: 600;
}

.job-accordion-content .job-l3 {
  font-size: 15px;
  color: #394e81;
  margin: 0 0 6px;
  line-height: 1.8;
  padding-left: 24px;
}

.job-accordion-content .job-l3 strong {
  color: #394e81;
  font-weight: 600;
}

.job-accordion-content .job-l4 {
  font-size: 15px;
  color: #5a6b8a;
  margin: 0 0 6px;
  line-height: 1.8;
  padding-left: 48px;
}

.job-accordion-content .job-l4 strong {
  color: #0b2564;
  font-weight: 600;
}

.job-accordion-content p {
  font-size: 15px;
  color: #5a6b8a;
  line-height: 1.8;
  margin: 0 0 12px;
}

.job-accordion-content p strong {
  color: #0b2564;
  font-weight: 600;
}

/* Image Placeholder */
.job-content-img-placeholder {
  width: fit-content;
  /* max-width: 600px; */
  /* aspect-ratio: 16 / 9; */
  background: #f0f4fa;
  border: 2px dashed #c5d3f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.job-content-img-placeholder span {
  font-size: 14px;
  color: #95a4b9;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .jobs-section {
    padding: 40px 0 60px;
  }

  .jobs-section-inner {
    padding: 0 16px;
  }

  .jobs-eyebrow {
    font-size: 16px;
    margin-bottom: 10px;
  }

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

  .jobs-title-underline {
    width: 60px;
    height: 3px;
    margin-top: 14px;
  }

  .jobs-subtitle {
    font-size: 15px;
    margin-top: 16px;
  }

  .jobs-accordion {
    margin-top: 36px;
    gap: 12px;
  }

  .job-accordion-header {
    padding: 16px;
    gap: 14px;
  }

  .job-accordion-icon {
    width: 44px;
    height: 44px;
  }

  .contact-accordion-icon {
    width: 9px;
    height: 10px;
  }

  .job-accordion-title {
    font-size: 18px;
  }

  .job-accordion-desc {
    font-size: 13px;
    margin-top: 8px;
  }

  .job-accordion-arrow {
    width: 40px;
    height: 40px;
  }

  .job-accordion-arrow svg {
    width: 100%;
    height: 100%;
  }

  .job-accordion-content {
    padding: 20px 16px 20px 16px;
  }

  .job-accordion-content h2.job-h1 {
    font-size: 17px;
    margin: 20px 0 8px;
  }

  .job-accordion-content h3.job-h3 {
    font-size: 15px;
    margin: 16px 0 8px;
  }

  .job-accordion-content .job-l2 {
    font-size: 15px;
    margin: 12px 0 6px;
  }

  .job-accordion-content .job-l3 {
    font-size: 14px;
    padding-left: 16px;
    line-height: 1.7;
  }

  .job-accordion-content .job-l4 {
    font-size: 14px;
    padding-left: 32px;
    line-height: 1.7;
  }

  .job-accordion-content p {
    font-size: 14px;
    line-height: 1.7;
  }
}

/* ========================================
   Contact Page
   ======================================== */

/* Section */
.contact-section {
  background: #f7faff;
  padding: 56px 0 80px;
  overflow-x: hidden;
}

.contact-section-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 40px;
}

/* Welcome Card */
.contact-welcome-card {
  position: relative;
  background: #ffffff;
  border: 1px solid #2563eb;
  border-radius: 16px;
  padding: 40px 60px;
  margin-bottom: 56px;
}

.contact-welcome-text {
  font-size: 22px;
  color: #3e4b5e;
  line-height: 1.8;
  text-align: center;
  margin: 0;
}

.contact-quote {
  position: absolute;
  font-size: 72px;
  color: #bdd0f9;
  font-family: Georgia, serif;
  line-height: 1;
  user-select: none;
}

.contact-quote-left {
  top: 12px;
  left: 20px;
}

.contact-quote-right {
  bottom: 0;
  right: 20px;
}

/* Two Column Layout: Left (companies + contact + wechat) | Right (map full height) */
.contact-main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: start;
}

.contact-left-col {
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
}

.contact-right-col {
  height: 100%;
  min-width: 0;
}

.contact-right-col .contact-location {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.contact-right-col .contact-map-placeholder {
  flex: 1;
  min-height: 400px;
}

/* Company Cards */
.contact-companies {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 16px;
}

.contact-company-card {
  flex: 1 1 0;
  min-width: 140px;
  background: #ffffff;
  border-radius: 12px;
  padding: 28px 24px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(10, 36, 99, 0.06);
}

.contact-company-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
}

.contact-company-logo svg {
  width: 100%;
  height: 100%;
}

.contact-company-name {
  font-size: 20px;
  font-weight: 600;
  color: #3e4b5e;
  margin: 0 0 8px;
  line-height: 1.4;
}

.contact-company-sub {
  font-size: 16px;
  color: #3e4b5e;
  margin: 0;
  line-height: 1.5;
  opacity: 0.7;
  word-break: break-word;
}

/* Contact Methods */
.contact-methods {
  background: #ffffff;
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 2px 8px rgba(10, 36, 99, 0.06);
}

.contact-block-title {
  font-size: 22px;
  font-weight: 700;
  color: #142d69;
  margin: 0 0 24px;
  line-height: 1.4;
}

.contact-method-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-method-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.contact-method-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-method-icon svg {
  width: 22px;
  height: 22px;
}

.contact-icon-blue {
  background: #e7f1ff;
  color: #2563eb;
}

.contact-icon-green {
  background: #e7fcee;
  color: #16a34a;
}

.contact-icon-amber {
  background: #fdeba1;
  color: #b5540a;
}

.contact-method-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.contact-method-label {
  font-size: 13px;
  color: #95a4b9;
  margin-bottom: 4px;
}

.contact-method-value {
  font-size: 15px;
  color: #3e4b5e;
  font-weight: 500;
  line-height: 1.5;
  word-break: break-all;
}

.contact-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  background: none;
  border: none;
  padding: 0;
  margin-top: 4px;
  font-size: 16px;
  color: #a6b2c3;
  cursor: pointer;
  transition: color 0.2s ease;
}

.contact-copy-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.contact-copy-btn:hover {
  color: #2563eb;
}

/* Location */
.contact-location {
  background: #ffffff;
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 2px 8px rgba(10, 36, 99, 0.06);
}

.contact-map-placeholder {
  /* width: 100%;
  aspect-ratio: 4 / 3;
  background: #f0f4fa;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px; */
}

.contact-map-placeholder svg {
  width: 56px;
  height: 56px;
}

.contact-map-placeholder span {
  font-size: 14px;
  color: #95a4b9;
}

/* WeChat / Video / Douyin Section */
.contact-wechat {
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 2px 8px rgba(10, 36, 99, 0.06);
}

.contact-follow-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.contact-follow-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
  background: #f7f9fc;
  border-radius: 12px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  min-width: 0;
}

.contact-follow-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(10, 36, 99, 0.08);
}

.contact-follow-img {
  width: 100%;
  max-width: 140px;
  aspect-ratio: 1 / 1;
  height: auto;
  background: #ffffff;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  border: 1px solid #e7ecf3;
  overflow: hidden;
}

.contact-follow-img img {
  max-width: 100%;
  max-height: 100%;
  display: block;
}

.contact-follow-title {
  font-size: 18px;
  font-weight: 600;
  color: #1a326d;
  margin-bottom: 8px;
}

.contact-follow-desc {
  font-size: 14px;
  color: #97a5ba;
  line-height: 1.6;
}

/* Copy Toast */
.contact-copy-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 45, 105, 0.9);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 9999;
}

.contact-copy-toast.show {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .contact-section {
    padding: 32px 0 48px;
  }

  .contact-section-inner {
    padding: 0 16px;
  }

  .contact-welcome-card {
    padding: 28px 24px;
    margin-bottom: 32px;
  }

  .contact-welcome-text {
    font-size: 16px;
    line-height: 1.7;
  }

  .contact-quote {
    font-size: 48px;
  }

  .contact-quote-left {
    top: 6px;
    left: 10px;
  }

  .contact-quote-right {
    bottom: -6px;
    right: 10px;
  }

  .contact-main-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-right-col .contact-map-placeholder {
    min-height: 240px;
  }

  .contact-company-card {
    flex: 1 1 100%;
    padding: 20px 16px;
  }

  .contact-company-name {
    font-size: 17px;
  }

  .contact-company-sub {
    font-size: 13px;
  }

  .contact-methods,
  .contact-location {
    padding: 24px 20px;
  }

  .contact-block-title {
    font-size: 18px;
    margin-bottom: 18px;
  }

  .contact-method-item {
    flex-wrap: wrap;
    gap: 10px;
    min-width: 0;
  }

  .contact-method-icon {
    width: 38px;
    height: 38px;
  }

  .contact-method-icon svg {
    width: 18px;
    height: 18px;
  }

  .contact-method-value {
    font-size: 14px;
  }

  .contact-copy-btn {
    font-size: 14px;
    margin-top: 4px;
  }

  .contact-copy-btn svg {
    width: 14px;
    height: 14px;
  }

  .contact-wechat {
    padding: 28px 20px;
  }

  .contact-follow-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .contact-follow-img {
    width: 110px;
    height: 110px;
  }

  .contact-follow-title {
    font-size: 16px;
  }

  .contact-follow-desc {
    font-size: 13px;
  }
}

/* ============================================================
   应用案例 隐藏开关（随时可启用）
   给元素加 .hide-case 即隐藏；如需恢复「应用案例」，
   删除下面这一条规则即可让所有 .hide-case 元素重新显示。
   ============================================================ */
.hide-case {
  display: none !important;
}