/* 全局变量 */
:root {
  --primary: #005fac;
  --primary-dark: #004a8a;
  --secondary: #007bff;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 间距工具类 */
.mt-20 { margin-top: 80px; }
.mb-12 { margin-bottom: 48px; }
.mt-12 { margin-top: 48px; }
.pt-12 { padding-top: 48px; }
.pb-12 { padding-bottom: 48px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }

@media (max-width: 768px) {
  .mt-20 { margin-top: 40px; }
  .mb-12 { margin-bottom: 28px; }
  .mt-12 { margin-top: 28px; }
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* 容器 */
.container-xl {
  
  margin: 0 auto;
  padding: 0 20px;
}

/* 按钮样式 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 95, 172, 0.4);
}

.btn-light {
  background: #fff;
  color: var(--primary);
}

.btn-light:hover {
  background: var(--gray-50);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border: 2px solid #fff;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-md {
  padding: 16px 32px;
  font-size: 20px;
}

.btn-lg {
  padding: 12px 24px;
  font-size: 16px;
}

/* 导航栏 */
.navbar {
  background: #fff !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06) !important;
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  padding: 0 !important;
  border-bottom: none !important;
  height: 80px;
  min-height: 80px; 
}

.navbar .container-fluid {
  padding-left: 60px !important;
  padding-right: 60px !important;
  
  height: 100%;
  display: flex;
  align-items: center;
}

.navbar-brand {

  padding: 0 !important;
  height: auto;
  margin-right: 30px !important;
}



.phone-icon {
  transform: rotate(180deg);
  display: inline-block;
}



.brand-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 1px;
  background: none !important;
  border: none !important;
  border-radius: 0 !important;
}

.navbar-nav {
  align-items: stretch;
  margin: 0 auto;
  height: 100%;
}

.navbar-nav .nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  /* 允许 flex 子项压缩，防止文字过长撑开导航栏 */
  min-width: 0;
}

.navbar-nav .nav-link {
  color: var(--gray-700);
  font-weight: 700;
  padding: 0 clamp(30px, 2vw, 50px) !important;
  transition: all 0.2s ease;
  font-size: 16px;
  line-height: 80px;
  height: 80px;
  background: none !important;
  border: none !important;
  border-radius: 0 !important;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.navbar-nav .nav-link:hover {
  color: var(--primary);
  background: rgba(0, 95, 172, 0.05) !important;
}

.navbar-nav .nav-link.active {
  color: var(--primary);
}



/* 导航栏二级菜单 */
.nav-dropdown {
  position: relative;
}
/* 下拉导航栏航栏二级菜单箭头 */
.nav-dropdown > a::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  margin-left: 6px;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid var(--gray-500);
  transition: transform 0.2s ease;
  vertical-align: middle;
}

.nav-dropdown:hover > a::after {
  transform: rotate(180deg);
}

/* 通用 nav-arrow 样式 */
.nav-arrow {
  display: none;
}

.nav-dropdown ul {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  padding: 0;
  margin: 0;
  background: #ffffff;
  border: none;
  border-radius: 0;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0);
  transition: all 0.2s ease;
  z-index: 1000;
  align-items: center;
}

.nav-dropdown:hover ul {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown ul li {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
}

.nav-dropdown ul li a {
  display: block;
  padding: 12px 20px;
  color: var(--gray-700);
  text-decoration: none;
  background: transparent;

  transition: all 0.2s ease;
  font-size: 15px;
  text-align: center;
}

.nav-dropdown ul li a:hover {
  background: var(--primary);
  color: #fff;
  border-left-color: var(--danger);
}
.navbar-nav .nav-link,
.nav-dropdown ul li a {
  will-change: transform;  /* 告诉浏览器即将变化的属性 */
  backface-visibility: hidden;  /* 防止3D变换导致的抖动 */
  transform: translateZ(0);  /* 开启硬件加速 */
}

/* 语言切换 */
.lang-btn {
  background: transparent;
  border: none;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s ease;
  font-size: 16px;
}

.lang-btn:hover {
  background: var(--gray-100);
}

.current-lang-flag {

  line-height: 1;
  display: inline-block;
  font-size: 22px;
  line-height: 1;
  width: 28px;
  text-align: center;
}


.lang-dropdown-menu {
  min-width: 150px;
  padding: 6px 0;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.lang-item {
  padding: 10px 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-700);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 14px;
}

.lang-item:hover {
  background: var(--primary);
  color: #fff;
}


.lang-item span:first-child {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.search-button {
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: var(--gray-600);
  font-size: 16px;
  transition: color 0.2s ease;
}

.search-button:hover {
  color: var(--primary);
}

/* Hero 轮播区域（无文字叠加） */
.hero-banner {
  width: 100vw;
  max-width: 100%;
  height: calc(100vh - 80px);
  min-height: 500px;
  margin-top: 80px;
  overflow: hidden;
  position: relative;
  background: #000;
}

.hero-banner .carousel,
.hero-banner .carousel-inner,
.hero-banner .carousel-item {
  width: 100%;
  height: 100%;
}

.hero-banner-media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 遮罩层 */
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.video-poster.hidden {
  opacity: 0;
  pointer-events: none;
}

.play-btn {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.4);
}

.play-btn i {
  color: #005fac;
  font-size: 28px;
  margin-left: 4px;
}

@media (max-width: 1200px) {
  .navbar-nav .nav-link {
    padding: 0 clamp(15px, 1.5vw, 30px) !important;
    font-size: 14px;
  }
}

@media (max-width: 992px) {
  .navbar-nav .nav-link {
    padding: 0 clamp(10px, 1vw, 20px) !important;
    font-size: 13px;
  }
}

@media (max-width: 768px) {
  .play-btn {
    width: 60px;
    height: 60px;
  }
  
  .play-btn i {
    font-size: 22px;
  }
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}



.hero-copy {
  color: #fff;
  max-width: 700px;
}

.hero-label {
  font-size: 14px;
  font-weight: 600;
  color: #00b4d8;
  margin-bottom: 16px;
  display: block;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.15;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-text {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 550px;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-actions .btn {
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.hero-actions .btn-light {
  background: #fff;
  color: #001c36;
  border: 2px solid #fff;
}

.hero-actions .btn-light:hover {
  background: transparent;
  color: #fff;
}

.hero-actions .btn-outline-light {
  border: 2px solid rgba(255, 255, 255, 0.8);
  color: #fff;
}

.hero-actions .btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.carousel-indicators {
  bottom: 40px !important;
  right: 8% !important;
  left: auto !important;
  gap: 12px;
  justify-content: flex-end;
}

.carousel-indicators button {
  width: 8px !important;
  height: 8px !important;
  border-radius: 50% !important;
  background: rgba(255, 255, 255, 0.4) !important;
  border: 2px solid transparent !important;
  transition: all 0.3s ease;
}

.carousel-indicators button.active {
  background: #fff !important;
  width: 24px !important;
  border-radius: 4px !important;
}

.carousel-control-prev,
.carousel-control-next {
  width: 50px !important;
  height: 50px !important;
  background: rgba(255, 255, 255, 0.1) !important;
  border-radius: 50% !important;
  margin: auto 40px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
  background: rgba(255, 255, 255, 0.2) !important;
  transform: scale(1.1);
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
  width: 20px !important;
  height: 20px !important;
  background-size: 100% 100% !important;
}

/* 视频介绍与数据统计区域 */
.video-stat-section {
  padding: 64px 0;
  background: #fff;
}

/* ===== 统一大标题样式 ===== */
.section-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== 统一副标题样式 ===== */
.section-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
}

/* 证书区域的副标题覆盖为白色 */
.certificates-section .section-subtitle {
  color: rgba(255,255,255,0.85);
}

.video-intro-wrapper {
  margin-top: 40px;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 60px;
}

@media (max-width: 768px) {
  .video-intro-wrapper {
    padding: 0 20px;
    margin-top: 24px;
  }
  .company-info h3 {
    font-size: 1.5rem;
    margin-top: 24px;
  }
  .company-info #company-subtitle {
    font-size: 1rem;
    margin-bottom: 16px;
  }
  .company-info #company-content {
    font-size: 0.9rem;
    line-height: 1.7;
  }
}

.video-row {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: stretch;
}

.video-col {
  flex: 0 0 calc(58.333% - 20px);
  max-width: calc(58.333% - 20px);
}

.text-col {
  flex: 0 0 calc(41.667% - 20px);
  max-width: calc(41.667% - 20px);
  display: flex;
  align-items: center;
}

.video-container {
  position: relative;
  width: 100%;
  height: 420px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-placeholder {
  width: 100%;
  height: 100%;
}

.video-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 视频封面图 */
.video-poster {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-color: #000;
  z-index: 2;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.company-info {
  padding: 10px 0;
}

.company-info h3 {
  font-size: 2rem;
  text-align: center;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.company-info #company-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  color: var(--primary);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--gray-100);
}

.company-info #company-content {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 32px;
}

.company-info #company-content p {
  margin-bottom: 16px;
}

.company-info #company-content p:last-child {
  margin-bottom: 0;
}

.learn-more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  transition: all 0.3s ease;
}

.learn-more-link:hover {
  color: var(--primary-dark);
}

.learn-more-link i {
  transition: transform 0.3s ease;
}

.learn-more-link:hover i {
  transform: translateX(4px);
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.3s ease;
  z-index: 3;
}

.video-overlay:hover {
  background: rgba(0, 0, 0, 0.15);
}

#video-stock {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  z-index: 5;
}

.play-btn {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 95, 172, 0.4);
  z-index: 4;
  position: relative;
}

.play-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 30px rgba(0, 95, 172, 0.5);
}

.play-btn i {
  color: #fff;
  font-size: 1.5rem;
  margin-left: 4px;
}

/* ===== 视频底部控制栏 ===== */
.video-controls {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 5;
  pointer-events: none;
}
.video-container:hover .video-controls,
.video-controls.visible {
  opacity: 1;
  pointer-events: auto;
}
.video-ctrl-right {
  display: flex;
  align-items: center;
  gap: 8px;
}
.video-ctrl-btn {
  background: rgba(255,255,255,0.2);
  border: none;
  border-radius: 8px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  color: #fff;
  font-size: 1rem;
  backdrop-filter: blur(4px);
}
.video-ctrl-btn:hover {
  background: rgba(255,255,255,0.35);
  transform: scale(1.1);
}

/* ===== 视频遮罩淡入淡出 ===== */
.video-overlay {
  transition: opacity 0.4s ease;
}
.video-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* 数据统计区域 */
.stats-wrapper {
 
  border-top: 1px solid var(--gray-100);
}

.stats-container {
  display: flex;
  justify-content: center;
  gap: 0;
  width: 100%;
}

.stats-items {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 1200px;
}

.stat-item {
  text-align: center;
  padding: 20px 10px;
  min-width: 100px;
}

.stat-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.stat-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  margin-bottom: 8px;
}

.stat-number {
  font-family: 'Oswald';
  font-size: 3.2rem;
  font-weight: 0;
  color: var(--primary);
  transform: scaleX(0.92);
  display: inline-block;
  line-height: 1;
  
  
}

.stat-unit {
  font-size: 1.2rem;
  color: var(--primary);
  margin-left: 2px;
  font-weight: 600;
}

.stat-label {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.4;
}

/* 功能展示区域 */
.features-section {
  padding: 0;
  background: linear-gradient(to bottom, #fff, var(--gray-50));
}

.features-fullwidth {
  width: 100vw;
  max-width: 100%;
  padding: 0 20px;
}

.features-main-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

.features-sub-title {
  font-size: 1.1rem;
  color: var(--gray-500);
}

.features-all-link {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.features-all-link:hover {
  color: var(--primary-dark);
}

.features-carousel {
  position: relative;
  margin-top: 40px;
}

.features-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 20px;
  height: 550px;
}

.features-container {
  display: flex;
  transition: transform 0.5s ease;
  height: 100%;
}

.features-item {
  flex: 0 0 100%;
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.features-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
}

.features-gradient {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 47, 91, 0.8), rgba(0, 95, 172, 0.6));
}

.features-content {
  position: relative;
  z-index: 10;
  padding: 80px;
  max-width: 600px;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.features-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.features-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
  margin-bottom: 24px;
}

.features-button {
  display: inline-flex;
  align-items: center;
  padding: 12px 32px;
  background: #fff;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.features-button:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
}

.features-indicators {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 30px;
}

.indicator-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gray-300);
  cursor: pointer;
  transition: all 0.3s ease;
}

.indicator-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}

.features-prev-btn,
.features-next-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: #fff;
  border: none;
  border-radius: 50%;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--gray-600);
  transition: all 0.3s ease;
}

.features-prev-btn {
  left: -25px;
}

.features-next-btn {
  right: -25px;
}

.features-prev-btn:hover,
.features-next-btn:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-50%) scale(1.1);
}

.features-indicators {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
}

.features-indicators button {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: none;
  background: var(--gray-300);
  cursor: pointer;
  transition: all 0.3s ease;
}

.features-indicators button.active {
  background: var(--primary);
}

/* 解决方案区域 */
.solutions-section {
  padding: 64px 0;
  background: #fff;
}

.solutions-wrapper {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  margin-top: 40px;
}

.solutions-left-block {
  background: #fff;
}

.left-block {
  position: relative;
}

.child {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.child-1 {
  height: 420px;
  position: relative;
}

.solutions-swiper {
  width: 100%;
  height: 100%;
}

.solutions-swiper .swiper-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.5s ease;
}

.solutions-swiper .swiper-slide.active {
  opacity: 1;
  visibility: visible;
}

.solutions-swiper .swiper-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 47, 91, 0.85), rgba(0, 95, 172, 0.7));
}

.box {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.show {
  text-align: center;
  color: #fff;
  
}

.show .icon {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: all 0.5s ease;
}

.show .icon i.s {
  font-size: 2.5rem;
}

.show span {
  font-size: 1.5rem;
  font-weight: 600;
}

.hide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 40px;
  color: #fff;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-20px);
  transition: all 0.5s ease;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.swiper-slide.active .hide {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.swiper-slide.active .show {
  opacity: 0;
  visibility: hidden;
}

.hide p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 24px;
}

.hide .icon {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 24px;
}

.hide .s-icon {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
}

.hide .s-icon i {
  font-size: 8px;
}

.hide .btns {
  display: inline-flex;
}

.hide .btns a {
  display: inline-flex;
  align-items: center;
  padding: 12px 28px;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.hide .btns a:hover {
  background: rgba(255, 255, 255, 0.3);
}

.solutions-right-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-tabs-wrapper {
  position: sticky;
  top: 120px;
}

.nav-tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 0px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.nav-item:hover {
  border-color: var(--primary);
}

.nav-item.active {
  background: var(--primary);
  border-color: var(--primary);
}

.nav-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-50);
  font-size: 1.2rem;
  color: var(--gray-600);
  transition: all 0.3s ease;
}

.nav-item.active .nav-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.nav-item span {
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-700);
}

.nav-item.active span {
  color: #fff;
}

/* 产品分类区域 */
.categories-section {
  padding: 64px 0;
  background: linear-gradient(to bottom, var(--gray-50), #fff);
}

.category-card {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: all 0.5s ease;
  cursor: pointer;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(0, 95, 172, 0.15);
}

.category-icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  transition: all 0.3s ease;
}

.category-card:hover .category-icon-wrapper {
  transform: scale(1.1);
}

.category-icon {
  font-size: 1.75rem;
}

.category-card h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
  transition: color 0.3s ease;
}

.category-card p {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 16px;
}

.category-card a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.category-card a:hover {
  gap: 12px;
}

/* 战略合作伙伴 */
.partners-section {
  padding: 80px 0;
  background:  url('../images/parbg.jpg') center/cover no-repeat;
}

.partners-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
}

.partners-title-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.partners-en-title {
  font-size: 18px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 1px;
}

.partners-header .section-title {
  margin: 0;
  background: linear-gradient(135deg, #ffffff, #2ac613);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.partners-nav {
  display: flex;
  gap: 12px;
}

.partners-nav-btn {
  width: 44px;
  height: 44px;
  border-radius: 8px;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  color: var(--primary);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.partners-nav-btn:hover {
  background: #fff;
  transform: scale(1.05);
}

.partners-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.partners-grid-wrapper {
  overflow: hidden;
}

.partners-grid {
  position: relative;
}

.partners-page {
  display: none;
  flex-wrap: wrap;
  gap: 20px;
  width: 100%;
}

.partners-page.active {
  display: flex !important;
}

.partner-card {
  background: #fff;
  border-radius: 8px;
  padding: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  flex: 0 0 240px;
  box-sizing: border-box;
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.partner-logo-img {
  width: 100%;
  height: 100%;
  max-height: 110px;
  object-fit: contain;
  opacity: 1;
  transition: all 0.3s ease;
}

.partner-card:hover .partner-logo-img {
  filter: grayscale(0%);
  opacity: 1;
  transform: scale(1.05);
}

/* 产品功能交互展示 */
.showcase-section {
  padding: 100px 0;
  background: linear-gradient(180deg, #f5f7fb 0%, #eaf0f8 40%, #f8fafd 100%);
  position: relative;
  overflow: hidden;
}

.showcase-section::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -180px;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(0,123,255,0.05) 0%, rgba(0,180,216,0.03) 30%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.showcase-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(0,95,172,0.04) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.showcase-section .partners-header .section-title {
  color: var(--primary);
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: var(--primary);
  background-clip: unset;
  position: relative;
  display: inline-block;
  letter-spacing: 2px;
}

.showcase-section .partners-header .section-title::after {
  content: '';
  display: block;
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, #005fac, #00a8cc, #00c6a7);
  margin: 14px auto 0;
  border-radius: 3px;
}

.showcase-section .partners-en-title {
  color: #005fac;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-size: 16px;
  opacity: 0.85;
}

/* 核心能力展示 — 交互面板 */
.partners-showcase {
  display: flex;
  gap: 28px;
  height: 720px;
  overflow: hidden;
  margin-top: 30px;
}

.partners-tabs {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
}

.partner-tab {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 22px;
  background: #fff;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  font-size: 15px;
  color: #4a5568;
  border: 1.5px solid rgba(0,0,0,0.04);
  position: relative;
  overflow: hidden;
}

.partner-tab::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12%;
  width: 4px;
  height: 76%;
  background: linear-gradient(180deg, #005fac 0%, #00a8cc 50%, #00c6a7 100%);
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transform: scaleY(0.6);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.partner-tab:hover {
  background: #f8faff;
  transform: translateX(5px);
  box-shadow: 0 8px 28px rgba(0, 95, 172, 0.08);
  border-color: rgba(0, 95, 172, 0.12);
  color: #2d3748;
}

.partner-tab:hover::before {
  opacity: 0.6;
  transform: scaleY(0.85);
}

.partner-tab.active {
  background: linear-gradient(135deg, #eef4ff 0%, #e4edfd 100%);
  color: #005fac;
  font-weight: 600;
  box-shadow: 0 8px 32px rgba(0, 95, 172, 0.13), inset 0 1px 0 rgba(255,255,255,0.8);
  border-color: rgba(0, 95, 172, 0.18);
  transform: translateX(4px);
}

.partner-tab.active::before {
  opacity: 1;
  transform: scaleY(1);
  width: 4px;
}

.tab-icon {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.3s ease;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,95,172,0.04);
  border-radius: 10px;
}

.partner-tab.active .tab-icon {
  transform: scale(1.1);
  background: rgba(0,95,172,0.1);
}

.partner-tab:hover .tab-icon {
  background: rgba(0,95,172,0.07);
}

.tab-text {
  line-height: 1.45;
}

.partners-display {
  flex: 1;
  height: 100%;
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 16px 56px rgba(0,0,0,0.07), 0 1px 0 rgba(0,0,0,0.03);
  position: relative;
  border: 1px solid rgba(0,0,0,0.04);
}

.display-panel {
  display: none;
  width: 100%;
  height: 100%;
}

.display-panel.active {
  display: flex;
  flex-direction: column;
  padding: 44px 48px;
  height: 100%;
  box-sizing: border-box;
  animation: fadeInPanel 0.45s cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes fadeInPanel {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.panel-info {
  flex-shrink: 0;
  text-align: center;
  margin-bottom: 24px;
}

.panel-info h3 {
  font-size: 28px;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 18px;
  position: relative;
  display: inline-block;
  letter-spacing: 0.5px;
}

.panel-info h3::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, #005fac, #00a8cc, #00c6a7);
  margin: 14px auto 0;
  border-radius: 3px;
}

.panel-info p {
  font-size: 15px;
  color: #5a6c7d;
  line-height: 1.95;
  margin-bottom: 0;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: 0.2px;
}

.panel-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  background: linear-gradient(135deg, #00c6a7 0%, #00a86b 100%);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.panel-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 198, 167, 0.3);
}

.panel-btn::after {
  content: '›';
  font-size: 18px;
  margin-left: 2px;
}

.panel-media {
  flex: 1;
  min-height: 0;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, #f7f9fc 0%, #eef2f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.04), 0 2px 8px rgba(0,0,0,0.03);
}

.panel-media img,
.panel-media video {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 16px;
  object-fit: contain;
  transition: transform 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.display-panel.active .panel-media img:hover {
  transform: scale(1.025);
}

@keyframes partners-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 资质荣誉区域 */
.certificates-section {
  background: #1a1a2e;
  padding: 80px 0;
  overflow: hidden;
  background-image: url('../images/lianxi.jpg');
  background-size: cover;
  background-position: center;
  position: relative;
}

.certificates-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 0;
}

.certificates-section .certificates-header,
.certificates-section .certificates-scroll-wrapper {
  position: relative;
  z-index: 1;
}

.certificates-section .section-title {
  background: linear-gradient(135deg, #fff, #a0d2f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.certificates-header {
  text-align: center;
  margin-bottom: 50px;
}

.certificates-scroll-wrapper {
  overflow: hidden;
  position: relative;
}

.certificates-scroll-wrapper::before,
.certificates-scroll-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 50px;
  z-index: 2;
  pointer-events: none;
}

.certificates-scroll-wrapper::before {
  left: 0;
  background: linear-gradient(to right, rgba(26,26,46,0.9), transparent);
}

.certificates-scroll-wrapper::after {
  right: 0;
  background: linear-gradient(to left, rgba(26,26,46,0.9), transparent);
}

.certificates-scroll {
  display: flex;
  gap: 24px;
  animation: certificates-scroll 30s linear infinite;
  width: max-content;

}

.certificates-scroll:hover {
  animation-play-state: paused;
}

.certificate-card {
  
  border-radius: 16px;
  padding: 32px 24px;
  min-width: 200px;
  text-align: center;
  
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.certificate-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.certificate-image {
  width: 300px;
  height: 400px;
  border-radius: 8px;
  overflow: hidden;
  margin: 0 auto 16px;
  transition: all 0.3s ease;

}

.certificate-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}



.certificate-name {
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 8px;
}

.certificate-count {
  font-size: 20px;
  color: #4ade80;
  margin: 0;
}

@keyframes certificates-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* 技术支持页面 */
.page-banner {
  background:#0a58ca;
  padding: 80px 0;
  text-align: center;
}

.page-title {
  color: #fff;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.breadcrumb {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
}

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

.breadcrumb span {
  margin: 0 8px;
}

.support-section {
  background: #f8f9fa;
  min-height: 600px;
  
}

/* 左侧边栏 */
.support-sidebar {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  position: sticky;
  top: 100px;
}

.support-sidebar-title {
  font-size: 20px;
  font-weight: 600;
  color: #212529;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--primary);
}

.support-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid #f0f0f0;
}

.support-contact-item:last-of-type {
  border-bottom: none;
}

.support-contact-item i {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.support-contact-label {
  font-size: 13px;
  color: #6c757d;
  margin: 0 0 4px;
}

.support-contact-value {
  font-size: 15px;
  font-weight: 600;
  color: #212529;
  margin: 0;
}

.support-wechat {
  margin-top: 24px;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid #f0f0f0;
}

.support-wechat-title {
  font-size: 16px;
  font-weight: 600;
  color: #212529;
  margin-bottom: 16px;
}

.support-wechat-qr {
  width: 150px;
  height: 150px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid #f0f0f0;
}

.support-wechat-hint {
  font-size: 13px;
  color: #6c757d;
  margin-top: 12px;
}

/* 右侧资料下载 */
.support-downloads {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.support-downloads-title {
  font-size: 20px;
  font-weight: 600;
  color: #212529;
  margin-bottom: 24px;
}

/* 搜索框 */
.support-search .input-group-text {
  background: #fff;
  border-right: none;
  color: #6c757d;
}

.support-search .form-control {
  border-left: none;
  border-right: none;
  padding: 10px 16px;
}

.support-search .form-control:focus {
  box-shadow: none;
  border-color: #dee2e6;
}

.support-search .input-group:focus-within {
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
  border-radius: 8px;
}

.support-search .input-group:focus-within .input-group-text,
.support-search .input-group:focus-within .form-control {
  border-color: #86b7fe;
}

/* 搜索结果提示 */
.support-search-result {
  padding: 8px 0 16px;
  font-size: 14px;
  color: #6c757d;
}

.support-search-result strong {
  color: var(--primary);
}

/* 空状态 */
.support-empty {
  text-align: center;
  padding: 60px 20px;
  color: #6c757d;
}

.support-empty i {
  font-size: 48px;
  color: #dee2e6;
  margin-bottom: 16px;
}

.support-empty p {
  font-size: 16px;
  margin: 0;
}

.support-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.support-filter-btn {
  padding: 8px 20px;
  border: 1px solid #dee2e6;
  border-radius: 20px;
  background: #fff;
  color: #6c757d;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.support-filter-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.support-filter-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.support-file-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.support-file-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  border: 1px solid #e9ecef;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.support-file-item:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(13, 110, 253, 0.1);
}

.support-file-cover {
  width: 120px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: #f0f0f0;
}

.support-file-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.support-file-info {
  flex: 1;
  min-width: 0;
}

.support-file-title {
  font-size: 16px;
  font-weight: 600;
  color: #212529;
  margin: 0 0 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.support-file-size {
  font-size: 13px;
  color: #6c757d;
  margin: 0;
}

.support-file-size i {
  margin-right: 4px;
  color: #dc3545;
}

.support-file-download {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.support-file-download:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.3);
}

.support-file-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #6c757d;
  font-size: 20px;
}

/* 响应式 */
@media (max-width: 992px) {
  .support-sidebar {
    position: static;
    margin-bottom: 24px;
  }
}

@media (max-width: 768px) {
  .support-file-item {
    flex-direction: column;
    text-align: center;
  }
  
  .support-file-cover {
    width: 100%;
    height: 120px;
  }
  
  .support-file-download {
    width: 100%;
    justify-content: center;
  }
  
  .support-filters {
    justify-content: center;
  }
}

/* 二级菜单样式 */
.nav-dropdown-submenu {
  position: relative;
}

.nav-dropdown-submenu-menu {
  position: absolute;
  left: 100%;
  top: 0;
  min-width: 180px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-10px);
  transition: all 0.3s ease;
  padding: 8px 0;
  z-index: 1001;
}

.nav-dropdown-submenu:hover > .nav-dropdown-submenu-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

.nav-dropdown-submenu-menu .nav-dropdown-item {
  padding: 10px 20px;
  display: block;
  color: #495057;
  text-decoration: none;
  font-size: 14px;
  transition: all 0.2s ease;
}

.nav-dropdown-submenu-menu .nav-dropdown-item:hover {
  background: var(--primary);
  color: #fff;
}

.nav-dropdown-parent {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-dropdown-parent i {
  font-size: 10px;
  color: #adb5bd;
}

.nav-dropdown-submenu:hover .nav-dropdown-parent i {
  color: #fff;
}

/* 移动端二级菜单 */
@media (max-width: 991px) {
  .nav-dropdown-submenu-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    padding-left: 20px;
    border-left: 2px solid var(--gray-100);
    margin-top: 8px;
    display: block !important;
  }
  
  .nav-dropdown-submenu-menu .nav-dropdown-item {
    padding: 8px 16px;
    font-size: 13px;
  }
}

/* 新闻资讯区域 */
.news-section {
  padding: 64px 0;
  background: #fff;
}

.qui-homename {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 12px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.news-sub-title {
  font-size: 1.1rem;
  color: var(--gray-500);
}

/* 统一 .services-desc 副标题样式 */
.services-desc {
  font-size: 1.1rem;
  color: var(--gray-500);
}

.news-container {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 32px;
  margin-top: 40px;
}

.news-left-column {
  background: #fff;
}

.news-category-label {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(0, 95, 172, 0.1);
  color: var(--primary);
  font-size: 12px;
  font-weight: 500;
  border-radius: 20px;
  margin-bottom: 20px;
}

.news-main-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 30px;
}

.news-main-images {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.news-main-images img {
  width: 100%;
  height: 145px;
  object-fit: cover;
  border-radius: 12px;
}

.news-main-images img:first-child {
  height: 300px;
}

.news-main-content {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.news-item-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
  line-height: 1.4;
}

.news-main-summary {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.news-main-date {
  font-size: 12px;
  color: var(--gray-400);
}

.news-additional-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.news-additional-item {
  display: flex;
  gap: 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.news-additional-item:hover {
  padding-left: 8px;
}

.news-additional-date {
  font-size: 12px;
  color: var(--gray-400);
  white-space: nowrap;
}

.news-additional-title {
  font-size: 14px;
  color: var(--gray-700);
  transition: color 0.3s ease;
}

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

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

.news-side-item {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.news-side-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 16px;
}

.news-side-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-800);
}

.news-side-date-box {
  text-align: center;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
}

.news-side-date-day {
  display: block;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.news-side-date-month {
  display: block;
  font-size: 12px;
}

.news-side-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.5;
  transition: color 0.3s ease;
}

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

.news-side-list {
  list-style: none;
  padding: 0;
}

.news-side-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.3s ease;
}

.news-side-list li:last-child {
  border-bottom: none;
}

.news-side-list li:hover {
  padding-left: 8px;
}

.news-side-list li a {
  color: var(--gray-700);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-side-list li:hover a {
  color: var(--primary);
}

.news-side-date {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 8px;
}

/* CTA区域 - 联系我们 */
.cta-section {
  padding: 64px 0;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* 页脚 */
.footer-section {
  background: var(--gray-900);
  color: #fff;
  padding: 60px 0 30px;
}

.footer-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  margin-bottom: 20px;
}

.footer-brand img {
  height: 40px;
}

.footer-desc {
  font-size: 14px;
  color: var(--gray-400);
  line-height: 1.6;
  margin-bottom: 20px;
}

.footer-contact {
  list-style: none;
  padding: 0;
}

.footer-contact li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--gray-400);
}

.footer-contact li i {
  margin-right: 8px;
  color: var(--primary);
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.footer-links li a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 30px;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray-500);
}

/* 悬浮侧边栏 */
.float-sidebar {
  position: fixed;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Logo部分 */
.float-logo {
  width: 70px;
  height: 70px;
  margin-bottom: 0;
}

.logo-circle {
  width: 100%;
  height: 100%;
  background: #007bff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 123, 255, 0.4);
}

.logo-text {
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
}

/* 主体内容部分 */
.float-content {
  background: #fff;
  border-radius: 35px;
  padding: 15px 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 60px;
}

.float-item {
  position: relative;
  width: 100%;
  padding: 10px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.float-item:first-child {
  padding-top: 5px;
}

.float-item:last-child {
  padding-bottom: 5px;
  border-bottom: none;
}

.float-item:hover {
  background: rgba(0, 123, 255, 0.1);
}

.float-item a,
.float-item .item-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: #333;
}

.float-item i {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.float-item span {
  font-size: 11px;
  color: #333;
}

/* 返回顶部 */


.float-backtop button {
  margin-top: 10px;
  width: 50px;
  height: 50px;
  background: #fff;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 1.6rem;
  color: #666;
}

.float-backtop button:hover {
  background: #007bff;
  color: #fff;
}

/* 隐藏内容样式 */
.float-item .hide-n {
  position: absolute;
  width: 200px;
  right: 70px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 1001;
}

.float-item:hover .hide-n {
  opacity: 1;
  visibility: visible;
}

.hide-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.telbox {
  font-size: 16px;
  font-weight: bold;
  color: #333;
}

.ewmcode {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ewmcode .tit {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px;
}

.img-box img {
  width: 150px;
  height: 150px;
  border-radius: 8px;
}

.ewmcode .teltit {
  font-size: 12px;
  color: #666;
  margin-top: 10px;
}

.ewmcode .telnum {
  font-size: 14px;
  font-weight: bold;
  color: #333;
  margin-bottom: 10px;
}

.ewmcode .onlinebtn {
  background: var(--primary);
  color: #fff;
  padding: 6px 20px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 12px;
}

/* ===== 动画效果 ===== */

/* 基础滚动进入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0, 95, 172, 0.2);
  }
  50% {
    box-shadow: 0 0 40px rgba(0, 95, 172, 0.45);
  }
}

@keyframes subtleReveal {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 通用动画类 */
.animate-fadeInUp {
  animation: fadeInUp 0.7s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.animate-fadeInRight {
  animation: fadeInRight 0.7s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.animate-fadeInLeft {
  animation: fadeInLeft 0.7s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.animate-fadeInScale {
  animation: fadeInScale 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.animate-float {
  animation: float 3.5s ease-in-out infinite;
}

.animate-pulse-glow {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

.animate-subtleReveal {
  animation: subtleReveal 0.6s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

/* 交错动画延迟工具类 */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }

/* 图片懒加载淡入 */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}
img[loading="lazy"].loaded {
  opacity: 1;
}

/* 卡片通用悬浮效果 */
.hover-lift {
  transition: transform 0.35s cubic-bezier(0.25, 0.8, 0.25, 1), box-shadow 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.1);
}



.support-file-icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #6c757d;
  font-size: 20px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .solutions-wrapper {
    grid-template-columns: 1fr;
  }
  
  .news-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 992px) {
  .stats-container {
    gap: 40px;
  }
  
  .features-container {
    gap: 16px;
  }
  
  .feature-card {
    flex: 0 0 calc(50% - 8px);
  }
  
  .features-prev-btn {
    left: 10px;
  }
  
  .features-next-btn {
    right: 10px;
  }
}

@media (max-width: 768px) {
  .hero-banner {
    margin-top: 60px;
    height: 350px;
    min-height: 350px;
  }
  
  .section-title {
    font-size: 1.6rem;
  }
  
  .features-main-title {
    font-size: 1.8rem;
  }
  
  .features-wrapper {
    height: 400px;
  }
  
  .features-content {
    padding: 40px;
  }
  
  .features-title {
    font-size: 1.8rem;
  }
  
  .features-description {
    font-size: 0.9rem;
  }
  
  .video-container video {
    height: 220px;
  }
  
  .play-btn {
    width: 60px;
    height: 60px;
  }
  
  .stats-container {
    gap: 20px;
  }
  

  
  .feature-card {
    flex: 0 0 100%;
  }
  
  .child-1 {
    height: auto;
  }
  
  .solutions-swiper .swiper-slide img {
    height: 200px;
  }
  
  .category-card {
    padding: 20px;
  }
  
  .category-icon-wrapper {
    width: 56px;
    height: 56px;
  }
  
  .category-icon {
    font-size: 1.5rem;
  }
  
  .cta-title {
    font-size: 1.8rem;
  }
  
  .cta-text {
    font-size: 0.9rem;
  }
  
  .footer-row {
    gap: 24px;
  }
  
  .float-sidebar {
    right: 10px;
  }
  
  .float-btn {
    width: 45px;
    height: 45px;
    font-size: 1rem;
  }
}

/* ========== 隐藏 checkbox（所有屏幕） ========== */
.menu-toggle-checkbox {
  display: none;
}

/* PC 端：导航栏内容区左右留 60px 间距 */
@media (min-width: 992px) {
  .navbar .container-fluid {
    padding-left: 60px !important;
    padding-right: 60px !important;
  }
}

/* ===== 移动端完善样式 ===== */
@media (max-width: 992px) {
  /* 导航栏移动端优化 */
  .navbar {
    height: auto;
    min-height: 60px;
    padding: 8px 0;
  }
  
  .navbar .container-fluid {
    padding-left: 15px !important;
    padding-right: 15px !important;
    flex-wrap: wrap;
  }
  
  .navbar-brand {
    margin-right: 0 !important;
  }
  
  .navbar-brand img {
    height: 65px !important;
    width: auto;
  }

  /* ========== 遮罩层 ========== */
  .mm-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9998;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    cursor: pointer;
  }

  /* checkbox 勾选时显示遮罩 */
  #menuToggle:checked ~ .mm-overlay {
    opacity: 1;
    pointer-events: auto;
  }

  /* ========== 导航菜单 - 右侧抽屉式 ========== */
  .navbar-collapse {
    position: fixed !important;
    top: 0;
    right: 0;
    width: 300px;
    max-width: 85vw;
    height: 100vh;
    height: 100dvh;
    background: #fff;
    padding: 80px 28px 40px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    z-index: 9999;
    display: block !important;
    visibility: hidden;
    transform: translateX(100%) translateZ(0);
    will-change: transform;
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1), visibility 0s linear 0.3s;
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.12);
  }

  /* checkbox 勾选时滑入菜单 */
  #menuToggle:checked ~ .container-fluid .navbar-collapse {
    visibility: visible;
    transform: translateX(0) translateZ(0);
    transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1), visibility 0s;
  }

  /* 禁用 Bootstrap 默认的高度折叠动画 */
  .navbar-collapse.collapsing {
    height: auto !important;
    transition: none !important;
  }

  /* 用 .menu-open 类（JS 切换）取代 :has() 选择器，性能更好 */
  body.menu-open {
    overflow: hidden !important;
  }

  /* ========== 汉堡菜单按钮 + X 动画 ========== */
  .navbar-toggler {
    border: none !important;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1000;
    background: transparent !important;
    box-shadow: none !important;
    outline: none !important;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
  }

  .navbar-toggler .navbar-toggler-icon {
    width: 24px;
    height: 2px;
    background: #333;
    background-image: none !important;
    position: relative;
    border-radius: 2px;
    transition: background 0.22s ease;
  }

  .navbar-toggler .navbar-toggler-icon::before,
  .navbar-toggler .navbar-toggler-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: #333;
    border-radius: 2px;
    transition: transform 0.22s ease, background 0.22s ease;
  }

  /* 用 transform 定位线条，仅触发 composite，不触发 layout */
  .navbar-toggler .navbar-toggler-icon::before {
    transform: translateY(-7px);
  }

  .navbar-toggler .navbar-toggler-icon::after {
    transform: translateY(7px);
  }

  /* 展开时三条线变 X（纯 transform，GPU 丝滑） */
  #menuToggle:checked ~ .container-fluid .navbar-toggler .navbar-toggler-icon {
    background: transparent;
  }

  #menuToggle:checked ~ .container-fluid .navbar-toggler .navbar-toggler-icon::before {
    transform: rotate(45deg);
  }

  #menuToggle:checked ~ .container-fluid .navbar-toggler .navbar-toggler-icon::after {
    transform: rotate(-45deg);
  }
  
  /* 移动端一级菜单 */
  .navbar-nav {
    flex-direction: column;
    gap: 0;
    padding-top: 10px;
  }
  
  .navbar-nav .nav-link {
    padding: 14px 10px !important;
    line-height: 1.4;
    font-size: 15px;
    font-weight: 600;
    border-bottom: 1px solid #eee;
    display: block;
    height: auto;
    color: #333;
  }

  /* 一级带下拉的链接去掉底部边框（子菜单已有间距） */
  .nav-dropdown > .nav-dropdown-link {
    border-bottom: none !important;
    padding-bottom: 10px !important;
  }
  
  /* 移动端二级菜单 - 始终展开显示 */
  .nav-dropdown-menu,
  .nav-dropdown ul {
    position: static !important;
    opacity: 1 !important;
    visibility: visible !important;
    transform: none !important;
    box-shadow: none !important;
    padding: 0 0 8px 16px;
    margin: 0;
    border-left: 2px solid #e0e0e0;
    border-radius: 0;
    display: block !important;
    width: 100%;
    background: #fafafa;
  }

  .nav-dropdown-menu li,
  .nav-dropdown ul li {
    width: 100%;
  }

  .nav-dropdown-menu li a,
  .nav-dropdown ul li a {
    display: block;
    padding: 11px 12px !important;
    font-size: 14px;
    color: #555;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
  }

  .nav-dropdown-menu li:last-child a,
  .nav-dropdown ul li:last-child a {
    border-bottom: none;
  }

  /* 移动端隐藏下拉箭头 */
  .nav-dropdown > a::after {
    display: none;
  }

  .nav-arrow {
    display: none;
  }
  
  /* 数据统计移动端 */
  .stats-items {
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
  }
  
  .stat-number {
    font-size: 2.2rem;
  }
  
  .stat-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
  }
  
  /* 功能展示移动端 */
  .features-wrapper {
    height: 450px;
    border-radius: 12px;
  }
  
  .features-content {
    padding: 50px 30px;
  }
  
  /* 解决方案移动端 */
  .solutions-wrapper {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .nav-tabs-wrapper {
    position: static;
  }
  
  .nav-tabs {
    flex-direction: row;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 10px;
  }
  
  .nav-item {
    padding: 12px 5px;
    min-width: 150px;
  }
  
  /* 视频区域移动端 */
  .video-row {
    flex-direction: column;
  }
  
  .video-col,
  .text-col {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .video-container {
    height: 300px;
  }
  
  /* 新闻移动端 */
  .news-main-wrapper {
    grid-template-columns: 1fr;
  }
  
  /* 移动端隐藏悬浮侧边栏 */
  .float-sidebar {
    display: none !important;
  }

  /* ===== 首页轮播图移动端 ===== */
  .hero-banner {
    margin-top: 60px;
    height: 55vw;
    min-height: 220px;
    max-height: 400px;
  }

  /* ===== 资质荣誉 - 横向滚动（保持动画） ===== */
  .certificates-section {
    padding: 50px 0;
  }

  .certificates-header {
    margin-bottom: 30px;
    padding: 0 15px;
  }

  .certificate-card {
    min-width: 160px;
    padding: 20px 14px;
  }

  .certificate-image {
    width: 200px;
    height: 280px;
  }

  .certificate-name {
    font-size: 16px;
  }

  .certificate-count {
    font-size: 16px;
  }

  /* ===== 战略合作伙伴 - 单列居中 ===== */
  .partners-section {
    padding: 50px 0;
  }

  .partners-header {
    flex-direction: column;
    text-align: center;
    margin-bottom: 28px;
    padding: 0 15px;
  }

  .partners-en-title {
    font-size: 18px !important;
  }

  .partners-header .section-title {
    line-height: 1.3;
  }

  .partners-grid-wrapper {
    padding: 0 15px;
  }

  .partners-page {
    flex-direction: column;
    align-items: center;
    gap: 14px;
  }

  .partner-card {
    flex: 0 0 auto;
    width: 100%;
    max-width: 320px;
    min-height: 100px;
    padding: 12px;
  }

  /* 核心能力展示 - 移动端 */
  .partners-showcase {
    flex-direction: column;
    gap: 16px;
    height: auto;
  }

  .partners-tabs {
    flex: 0 0 auto;
    width: 100%;
    display: flex;
    flex-direction: row;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 8px;
    -webkit-overflow-scrolling: touch;
  }

  .partner-tab {
    flex: 0 0 auto;
    white-space: nowrap;
    padding: 12px 16px;
    font-size: 13px;
    border: 1.5px solid rgba(0,0,0,0.06);
    border-radius: 12px;
  }

  .partner-tab::before {
    display: none;
  }

  .partner-tab.active {
    border-color: rgba(0,95,172,0.2);
    background: linear-gradient(135deg, #eef4ff 0%, #e4edfd 100%);
    transform: none;
  }

  .partner-tab:hover {
    transform: none;
  }

  .tab-icon {
    width: 28px;
    height: 28px;
    border-radius: 8px;
  }

  .partners-display {
    height: 500px;
  }

  .display-panel.active {
    padding: 24px;
  }

  .panel-info {
    flex: 0 0 auto;
    max-width: 100%;
  }

  .panel-info h3 {
    font-size: 19px;
    letter-spacing: 0.3px;
  }

  .panel-info h3::after {
    width: 36px;
    height: 2px;
    margin-top: 10px;
  }

  .panel-info p {
    font-size: 14px;
    line-height: 1.8;
  }

  .panel-media {
    flex: 1;
    width: 100%;
    min-height: 0;
  }

  .showcase-section {
    padding: 50px 0;
  }

  .showcase-section .partners-header .section-title {
    letter-spacing: 1px;
  }
  
  .showcase-section .partners-en-title {
    font-size: 14px !important;
  }
}

/* 移动端悬浮拨打电话按钮 - 全局定义 */
.mobile-call-btn,
a.mobile-call-btn {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
}

@keyframes mobileCallPulse {
  0% {
    box-shadow: 0 4px 20px rgba(0, 95, 172, 0.5);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 4px 35px rgba(0, 95, 172, 0.9);
    transform: scale(1.05);
  }
  100% {
    box-shadow: 0 4px 20px rgba(0, 95, 172, 0.5);
    transform: scale(1);
  }
}

@media (max-width: 992px) {
  .mobile-call-btn,
  a.mobile-call-btn {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: fixed !important;
    bottom: 10px !important;
    right: 10px !important;
    width: 60px !important;
    height: 60px !important;
    background: linear-gradient(135deg, #005fac, #007bff) !important;
    border-radius: 50% !important;
    border: 3px solid #fff !important;
    align-items: center !important;
    justify-content: center !important;
    z-index: 9999 !important;
    text-decoration: none !important;
    color: #fff !important;
    animation: mobileCallPulse 2s infinite !important;
    -webkit-tap-highlight-color: transparent !important;
    margin: 0 !important;
    padding: 0 !important;
    box-sizing: border-box !important;
  }

  .mobile-call-btn i,
  a.mobile-call-btn i {
    font-size: 28px !important;
    color: #fff !important;
    display: block !important;
  }
}

@media (max-width: 768px) {
  /* 容器优化 */
  .container-xl {
    padding: 0 15px;
  }
  
  /* 导航栏 */
  .navbar {
    min-height: 60px;
  }
  
  /* Hero区域移动端 */
  .hero-banner {
    margin-top: 60px;
    height: 50vw;
    min-height: 200px;
    max-height: 350px;
  }
  
  .hero-title {
    font-size: 1.8rem;
  }
  
  .hero-text {
    font-size: 0.95rem;
  }
  
  .hero-actions .btn {
    padding: 10px 24px;
    font-size: 14px;
  }
  
  .carousel-control-prev,
  .carousel-control-next {
    width: 40px !important;
    height: 40px !important;
    margin: auto 10px;
  }
  
  /* 数据统计 */
  .stats-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .stat-item {
    padding: 16px 8px;
  }
  
 
  
  /* 功能展示 */
  .features-wrapper {
    height: 380px;
  }
  
  .features-content {
    padding: 40px 24px;
  }
  
  .features-title {
    font-size: 1.5rem;
  }
  
  .features-description {
    font-size: 0.9rem;
  }
  
  /* 解决方案 */
  .solutions-section {
    padding: 40px 0;
  }
  
  .child-1 {
    height: 350px;
  }
  
  /* 产品分类 */
  .category-card {
    padding: 16px;
  }
  
  /* CTA区域 */
  .cta-section {
    padding: 40px 15px;
  }
  
  /* 页脚 */
  .footer-section {
    padding: 40px 15px 20px;
  }
  
  .footer-row {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  /* 按钮优化 */
  .btn-lg {
    padding: 10px 24px;
    font-size: 14px;
  }
}

@media (max-width: 576px) {
  /* 全局优化 */
  html {
    font-size: 14px;
  }
  
  /* Hero区域 */
  .hero-title {
    font-size: 1.5rem;
  }
  
  .hero-text {
    font-size: 0.85rem;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* 导航栏 */
  /* .navbar-brand img {
    height: 45px !important;
  } */
  
  /* 数据统计 */
  .stats-items {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .stat-number {
    font-size: 1.8rem;
  }
  
  .stat-icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
  }
  
  .stat-item {
    padding: 12px 6px;
  }
  
  .stat-label {
    font-size: 11px;
  }
  
  .stat-unit {
    font-size: 0.9rem;
  }
  
  /* 功能展示 */
  .features-wrapper {
    height: 320px;
  }
  
  .features-content {
    padding: 30px 20px;
  }
  
  .features-title {
    font-size: 1.3rem;
  }
  
  .features-prev-btn,
  .features-next-btn {
    width: 40px;
    height: 40px;
  }
  
  /* 解决方案 */
  .child-1 {
    height: 300px;
  }
  
  /* 视频 */
  .video-container {
    height: 250px;
  }
  
  /* 标题优化 */
  .section-title {
    font-size: 1.6rem;
  }
  
  .features-main-title {
    font-size: 1.4rem;
  }
  

  
  .cta-title {
    font-size: 1.4rem;
  }
  
  /* CTA按钮 */
  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .cta-buttons .btn {
    width: 100%;
  }
  
  /* 新闻 */
  .news-main-images img:first-child {
    height: 200px;
  }
  
  /* 悬浮侧边栏 - 移动端缩小或隐藏 */
  .float-sidebar {
    right: 10px;
    transform: translateY(-20%) scale(0.85);
  }
  
  .float-content {
    width: 45px;
  }
  
  .float-logo {
    width: 50px;
    height: 50px;
  }
  
  .float-backtop button {
    width: 45px;
    height: 45px;
  }
  
  /* 隐藏内容移动端调整 */
  .float-item .hide-n {
    right: 60px;
    padding: 12px;
    
  }
  
  .img-box img {
    width: 120px;
    height: 120px;
  }
  
  /* 间距优化 */
  .video-stat-section,
  .categories-section,
  .news-section {
    padding: 40px 0;
  }
  
  .video-intro-wrapper {
    padding: 0 15px;
  }
}

/* =========================
   产品分布图
   ========================= */
.map-section {
  padding: 80px 0;
  background: #0f0f12;
  color: #fff;
}

.map-header {
  text-align: center;
  margin-bottom: 40px;
}

.map-title {
  font-size: 2.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: #fff;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #fff, #a0d2f0);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.map-subtitle {
  display: none;
  font-size: 1.1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 20px;
}

.map-subtitle.active {
  display: block;
}

.map-toggle {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 24px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 28px;
}

.map-toggle-btn {
  padding: 8px 28px;
  border: none;
  border-radius: 20px;
  background: transparent;
  color: #aaa;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.map-toggle-btn:hover {
  color: #fff;
}

.map-toggle-btn.active {
  background: linear-gradient(90deg, #005fac, #007bff);
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 95, 172, 0.3);
}

.map-edit-btn {
  padding: 8px 16px;
  border: 1px dashed rgba(255,255,255,0.3);
  border-radius: 20px;
  background: transparent;
  color: #888;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: 12px;
}
.map-edit-btn:hover {
  color: #ffa500;
  border-color: #ffa500;
}
.map-edit-btn.active {
  background: #ffa500;
  color: #0f0f12;
  border-color: #ffa500;
  font-weight: 600;
}

/* 编辑模式：点位变大、可拖拽 */
.map-image-wrapper.editing .map-point {
  width: 18px;
  height: 18px;
  background: #ffa500;
  box-shadow: 0 0 16px rgba(255,165,0,0.9);
  cursor: grab;
  z-index: 20;
  transition: none;
}
.map-image-wrapper.editing .map-point:hover {
  transform: translate(-50%, -50%) scale(1.3);
  box-shadow: 0 0 24px rgba(255,165,0,1);
}
.map-image-wrapper.editing .map-point:active {
  cursor: grabbing;
}
.map-image-wrapper.editing .map-point::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  background: rgba(255,165,0,0.95);
  font-weight: 600;
  font-size: 11px;
}
.map-image-wrapper.editing .map-point::before {
  display: none;
}

.map-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  margin-bottom: 36px;
}

.map-stat-group {
  display: none;
  justify-content: center;
  gap: 60px;
}

.map-stat-group.active {
  display: flex;
}

.map-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.map-stat-label {
  font-size: 13px;
  color: #888;
}

.map-stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.map-stat-num {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(90deg, #005fac, #007bff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.map-stat-suffix {
  font-size: 14px;
  color: #aaa;
}

.map-container {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.map-panel {
  display: none;
  animation: mapFadeIn 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.map-panel.active {
  display: block;
}

@keyframes mapFadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

.map-image-wrapper {
  position: relative;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
}

.map-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 16px;
  filter: brightness(0.9) contrast(1.1);
}

.map-point {
  position: absolute;
  width: 12px;
  height: 12px;
  background: #007bff;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(0, 123, 255, 0.8);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.map-point:hover {
  transform: translate(-50%, -50%) scale(1.6);
  box-shadow: 0 0 20px rgba(0, 123, 255, 1);
  z-index: 10;
}

/* 城市名 tooltip */
.map-point::after {
  content: attr(data-city);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(0, 0, 0, 0.85);
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.map-point:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* 波纹动画伪元素 */
.map-point::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(0, 123, 255, 0.5);
  transform: translate(-50%, -50%);
  animation: mapRipple 2.5s ease-out infinite;
}

.map-point:nth-child(2n)::before { animation-delay: 0.4s; }
.map-point:nth-child(3n)::before { animation-delay: 0.8s; }
.map-point:nth-child(5n)::before { animation-delay: 1.2s; }
.map-point:nth-child(7n)::before { animation-delay: 1.6s; }

@keyframes mapRipple {
  0% {
    width: 12px;
    height: 12px;
    opacity: 0.8;
  }
  100% {
    width: 50px;
    height: 50px;
    opacity: 0;
  }
}

/* 地图响应式 */
@media (max-width: 768px) {
  .map-section {
    padding: 50px 0;
  }
  
  .map-title {
    font-size: 1.8rem;
  }

  .map-stats,
  .map-stat-group {
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .map-stat-num {
    font-size: 24px;
  }
  
  .map-toggle-btn {
    padding: 6px 18px;
    font-size: 13px;
  }
  
  .map-point {
    width: 8px;
    height: 8px;
  }
  
  .map-point::before {
    width: 8px;
    height: 8px;
  }
  
  .map-point::after {
    display: none;
  }
}

/* ===== 超小屏幕优化 ===== */
@media (max-width: 400px) {
  .stats-items {
    grid-template-columns: 1fr 1fr;
  }
  
  .features-wrapper {
    height: 300px;
  }
  
  /* .navbar-brand img {
    height: 40px !important;
  } */
}

/* ===== 产品页面样式 ===== */
.page-banner {
  background: linear-gradient(135deg, #0a58ca 0%, #084298 100%);
  padding: 80px 0 60px;
  text-align: center;
}

.page-title {
  color: #fff;
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

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

.breadcrumb a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

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

/* 产品标签 */
.product-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.product-tab {
  padding: 10px 24px;
  border: 2px solid #dee2e6;
  border-radius: 25px;
  background: #fff;
  color: #6c757d;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

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

.product-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 产品网格 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  transition: all 0.3s;
}

/* 包裹卡片的链接：去除所有下划线装饰 */
.product-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.product-image {
  height: 200px;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info {
  padding: 20px;
}

.product-name {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
  text-decoration: none;
}

.product-desc {
  font-size: 14px;
  color: #6c757d;
  margin-bottom: 16px;
  line-height: 1.6;
  text-decoration: none;
}

.product-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: gap 0.3s;
}

.product-link:hover {
  gap: 10px;
}

/* 产品页面响应式 */
@media (max-width: 768px) {
  .page-title {
    font-size: 1.8rem;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
}

/* ===== 解决方案页面样式 ===== */
.solutions-overview {
  background: var(--gray-50);
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.solution-card {
  background: #fff;
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--gray-200);
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 25px rgba(0, 95, 172, 0.1);
  border-color: rgba(0, 95, 172, 0.2);
}

.solution-icon {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: #fff;
  font-size: 2rem;
}

.solution-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.solution-card p {
  font-size: 0.95rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 20px;
}

.solution-link {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 500;
}

.solution-link i {
  margin-left: 4px;
  transition: transform 0.3s;
}

.solution-card:hover .solution-link i {
  transform: translateX(4px);
}

/* 方案详情 */
.solution-details {
  padding: 60px 0;
}

.solution-detail {
  padding: 40px 0;
  border-bottom: 1px solid var(--gray-200);
}

.solution-detail:last-child {
  border-bottom: none;
}

.solution-detail-image {
  border-radius: 16px;
  overflow: hidden;
}

.solution-detail-content {
  padding: 20px 0 20px 40px;
}

.solution-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0, 95, 172, 0.1);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
  margin-bottom: 16px;
}

.solution-detail-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

.solution-detail-content > p {
  font-size: 1rem;
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: 20px;
}

.solution-features {
  list-style: none;
  padding: 0;
  margin-bottom: 28px;
}

.solution-features li {
  padding: 10px 0;
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.5;
}

.solution-features li i {
  color: var(--success);
  margin-right: 10px;
  font-size: 0.85rem;
}

/* CTA区域 */
.solutions-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.cta-box {
  text-align: center;
  color: #fff;
}

.cta-box h3 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.cta-box p {
  font-size: 1rem;
  opacity: 0.9;
  margin-bottom: 24px;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.cta-buttons .btn {
  min-width: 160px;
}

/* 解决方案响应式 */
@media (max-width: 992px) {
  .solutions-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .solution-detail-content {
    padding: 20px 0;
  }
}

@media (max-width: 768px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* =========================
   一站式服务 — 百叶窗展示
   ========================= */
.services-section {
  padding: 80px 0;
  background: #fafafa;
}

.services-header {
  text-align: center;
  margin-bottom: 48px;
}

.services-title {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 2px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.services-subtitle {
  font-size: 1.1rem;
  color: var(--gray-500);
  letter-spacing: 1px;
}

.services-accordion {
  display: flex;
  gap: 6px;
  height: 650px;
  border-radius: 12px;
  overflow: hidden;
}

.service-item {
  position: relative;
  flex: 1;
  max-width: 450px;
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  transition: flex 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.service-item.active {
  flex: 5;
}

.service-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.service-overlay {
  position: absolute;
  inset: 0;
  background: rgba(220, 220, 220, 0.7);
  transition: background 0.5s ease;
}

.service-item.active .service-overlay {
  background: transparent;
}

.service-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 24px;
  color: #fff;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.service-num {
  font-size: 48px;
  font-weight: 800;
  line-height: 1;
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
  transition: all 0.4s ease;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

/* .service-item.active .service-num {
  font-size: 56px;
  color: #fff;
} */


.service-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  transition: all 0.4s ease;
}

.service-item.active .service-num {
  display: none;
}

.service-item.active .service-name {
  display: none;
}

.service-en {
  font-size: 12px;
  color: rgba(255,255,255,0.8);
  letter-spacing: 1px;
  margin-bottom: 8px;
  white-space: nowrap;
}

.service-desc {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 1.6;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 0.5s ease, opacity 0.4s ease 0.1s, margin 0.3s ease;
  margin-top: 0;
}

.service-item.active .service-desc {
  max-height: 120px;
  opacity: 1;
  margin-top: 8px;
}

/* 未激活项：序号竖排、标题隐藏 */
.service-item:not(.active) .service-num {
  writing-mode: vertical-rl;
  font-size: 28px;
  margin-bottom: 0;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
}

.service-item:not(.active) .service-name {
  writing-mode: vertical-rl;
  font-size: 14px;
  position: absolute;
  bottom: 20px;
  left: calc(50% + 18px);
  transform: translateX(-50%);
  opacity: 0.9;
}

.service-item:not(.active) .service-en,
.service-item:not(.active) .service-desc {
  display: none;
}

/* 响应式 */
@media (max-width: 768px) {
  .services-section {
    padding: 50px 0;
  }

  .services-title {
    font-size: 1.8rem;
  }

  .services-accordion {
    height: 380px;
    gap: 4px;
    overflow-x: auto;
  }

  .service-item {
    min-width: 60px;
  }

  .service-item.active {
    flex: 4;
  }

  .service-num {
    font-size: 32px;
  }

  .service-item.active .service-num {
    display: none;
  }

  .service-name {
    font-size: 14px;
  }

  .service-item.active .service-name {
    display: none;
  }

  .service-desc {
    font-size: 12px;
  }

  .service-item:not(.active) .service-num {
    font-size: 22px;
  }

  .service-item:not(.active) .service-name {
    font-size: 12px;
  }
}