:root {
  --primary-blue: #28b2a2;
  --primary-cyan: #00b2a9;
  --text-dark: #333333;
  --text-gray: #666666;
  --text-light: #999999;
  --bg-light: #f5f7fa;
  --bg-white: #ffffff;
  --bg-dark: #0f1423;
  --container-width: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  background-color: var(--bg-white);
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 15px;
}

ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}

.section-header {
  text-align: center;
}
.section-header.left {
  text-align: left;
}
.section-header.center {
  text-align: center;
}

.section-header h2 {
  font-size: 32px;
  font-weight: bold;
  margin-bottom: 10px;
}

.section-header .subtitle {
  font-size: 14px;
  color: var(--text-gray);
}

.light-text h2,
.light-text .subtitle {
  color: #fff;
}

.light-text .subtitle {
  color: rgba(255, 255, 255, 0.7);
}

.page-banner {
  height: 400px;
  background: url("../../../images/new_aboutus/index/img/banner-background.png") no-repeat center center;
  background-size: cover;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.banner-content h1 {
  font-size: 48px;
  font-weight: bold;
  line-height: 1.4;
  letter-spacing: 2px;
}

.breadcrumb-nav {
  padding: 15px 0;
  background-color: #fff;
  font-size: 14px;
  color: var(--text-gray);
  border-bottom: 1px solid #eee;
}

.breadcrumb-nav .separator {
  color: #666666;
}

.breadcrumb-nav .active {
  color: var(--primary-blue);
}

.intro-section {
  padding: 80px 0;
  background: url(../../../images/new_aboutus/index/img/introduction-background.png) no-repeat center center;
  background-size: 100% 100%;
}

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

.logo-placeholder {
  font-size: 24px;
  font-weight: bold;
  border-left: 4px solid var(--primary-cyan);
  padding-left: 15px;
  display: inline-block;
}
.intro-text {
  width: 700px;
}
.intro-text p {
  margin-bottom: 20px;
  line-height: 2;
  color: #333333;
  font-size: 15px;
  text-align: justify;
}

.stats-row {
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}

.stat-item {
  text-align: left;
}

.stat-item .label {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 10px;
}

.stat-item .value {
  display: flex;
  align-items: center;
  font-size: 40px;
  font-weight: bold;
  font-family: Arial, sans-serif;
  background: linear-gradient(90deg, #00de9d 0%, #0160b2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat-item .value small {
  font-size: 16px;
  margin-left: 5px;
}

.stat-item .value .unit-large {
  font-size: 32px;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  margin: 0 2px;
}
.mv-section-bg {
  width: 100%;
  background: url(../../../images/new_aboutus/index/img/slogan-background.png) no-repeat center center;
  background-size: cover;
  overflow: hidden;
}

.mv-content-grid {
  display: flex;
  height: 200px;
}

.mv-box {
  flex: 1;
  height: 100%;
  color: #fff;
  padding: 0 40px;
  position: relative;
  display: flex;
  align-items: center;
  text-align: left;
}
.mv-box.vision .mv-content {
  margin-left: 40px;
}
.mv-content h3 {
  font-size: 24px;
}

.mv-content p {
  font-size: 18px;
  opacity: 0.9;
}

.history-section {
  padding: 80px 0;
  background: #f8fcfe;
}

.mobile-timeline {
  display: none;
}

.timeline-container {
  position: relative;
  padding: 40px 0;
  height: 400px;
}

.timeline-track {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: #c5d6e2;
  transform: translateY(-50%);
  z-index: 1;
}

.timeline-items {
  display: flex;
  justify-content: space-between;
  position: relative;
  z-index: 2;
  height: 100%;
}

.timeline-item {
  position: relative;
  width: 14.28%;
  text-align: center;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.timeline-item .dot {
  width: 16px;
  height: 16px;
  background: #9faec0;
  border: 2px solid #dce4eb;
  border-radius: 50%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  transition: all 0.3s;
  box-sizing: content-box;
}

.timeline-item.start-item .dot {
  background: #fff;
  border-color: #d1f3f1;
}

.timeline-item:hover .dot {
  background-image: linear-gradient(-58deg, #0160b2 0%, #00de9d 100%);
  border-color: #fff;
  box-shadow: 0 0 0 2px #009688;
}

.timeline-card {
  position: absolute;
  width: 220px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  padding: 20px 13px;
  border-radius: 8px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  text-align: left;
  transition: all 0.3s;
  background: url(../../../images/new_aboutus/index/img/time-item-background.png) no-repeat center center;
  background-size: 100% 100%;
}

.timeline-card .year {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 8px;
  color: #333;
}

.timeline-card .desc {
  font-size: 12px;
  color: #666;
  line-height: 1.5;
}

.timeline-item:hover .timeline-card {
  background: linear-gradient(90deg, #1aa59a 0%, #1656b0 100%);
  color: #fff;
  transform: translateX(-50%) translateY(-5px);
  box-shadow: 0 10px 25px rgba(22, 86, 176, 0.3);
  z-index: 10;
}

.timeline-item:hover .timeline-card .year,
.timeline-item:hover .timeline-card .desc {
  color: #fff;
}

.timeline-item.top .timeline-card {
  bottom: 50%;
  margin-bottom: 30px;
}

.timeline-item.bottom .timeline-card {
  top: 50%;
  margin-top: 30px;
}

.timeline-item::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translateX(-50%) rotate(45deg);
  z-index: 0;
  border: none;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}

.timeline-card {
  z-index: 2;
  position: absolute;
}

.timeline-item.top::after {
  bottom: 50%;
  margin-bottom: 23px;
  background: #ffffff;
}

.timeline-item.bottom::after {
  top: 50%;
  margin-top: 23px;
  background: #f0fbff;
}

.timeline-item:hover::after {
  background: linear-gradient(90deg, #1aa59a 0%, #1656b0 100%);
  background-size: 220px 100%;
  background-position: center;
  box-shadow: 0 10px 25px rgba(22, 86, 176, 0.3);
  z-index: 9;
}

.timeline-item:hover.top::after {
  transform: translateX(-50%) translateY(-5px) rotate(45deg);
}

.timeline-item:hover.bottom::after {
  transform: translateX(-50%) translateY(-5px) rotate(45deg);
}

.timeline-item.top .timeline-card::after,
.timeline-item.bottom .timeline-card::after {
  display: none;
}

.growth-path-section {
  padding: 80px 0;
  background: #fff;
  text-align: center;
}

.growth-path-section .section-header h2 {
  font-size: 36px;
  margin-bottom: 15px;
}

.growth-path-section .section-header .subtitle {
  font-size: 16px;
  color: #666;
  max-width: 800px;
  margin: 0 auto;
}

.growth-diagram-placeholder {
  width: 100%;
  margin-top: 50px;
  text-align: center;
}

.growth-diagram-placeholder img {
  max-width: 100%;
  height: auto;
}
.growth-diagram-placeholder .mobile-img {
  display: none;
}

.service-stats-section {
  padding: 100px 0;
  background: url("../../../images/new_aboutus/index/img/service-background.png") no-repeat center center;
  background-size: cover;
  background-color: #f0fcff;
}

.service-header-row {
  margin-bottom: 60px;
  display: block;
}

.header-content {
  max-width: 65%;
}

.service-header-row h2 {
  font-size: 36px;
  font-weight: bold;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.service-header-row .subtitle {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 50px;
  line-height: 1.6;
  max-width: 90%;
}

.stats-grid {
  max-width: 65%;
  display: flex;
  justify-content: space-between;
}

.stat-card {
  text-align: left;
}

.stat-card .stat-num {
  font-size: 48px;
  font-weight: bold;
  font-family: Arial, sans-serif;
  line-height: 1.2;
  background: linear-gradient(-51deg, #0160b2 0%, #00de9d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat-card:nth-child(3) .stat-num,
.stat-card:nth-child(4) .stat-num {
  background: linear-gradient(-51deg, #0160b2 0%, #00de9d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.stat-card .stat-num small {
  font-size: 20px;
  margin-left: 2px;
}

.stat-card .stat-desc {
  font-size: 14px;
  color: var(--text-dark);
  margin-top: 5px;
  font-weight: 500;
}

.service-badges {
  display: flex;
  gap: 30px;
}

.badge-item {
  flex: 1;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.3s;
}

.badge-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.badge-icon {
  margin-bottom: 20px;
}

.badge-icon img {
  width: 60px;
  height: 60px;
  object-fit: contain;
  display: block;
}

.badge-item h4 {
  font-size: 18px;
  font-weight: bold;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.badge-item p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.8;
  text-align: justify;
}

.digital-portal-section {
  padding: 100px 0;
  background: #fff;
  text-align: center;
}

.digital-portal-section h2 {
  font-size: 32px;
  font-weight: bold;
  color: var(--text-dark);
  margin-bottom: 20px;
}

.digital-portal-section .subtitle {
  font-size: 14px;
  color: var(--text-gray);
  margin-bottom: 60px;
}

.portal-circles {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.circle-item {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.circle-item::before {
  content: "";
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
  z-index: 0;
  opacity: 0.3;
}

.circle-item .content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.circle-item.green {
  background: linear-gradient(135deg, #2be2b1 0%, #1dc9b7 100%);
}
.circle-item.green::before {
  background: inherit;
}

.circle-item.orange {
  background: linear-gradient(135deg, #ff9a44 0%, #fc6076 100%);
}
.circle-item.orange::before {
  background: inherit;
}

.circle-item.blue {
  background: linear-gradient(135deg, #2196f3 0%, #0d47a1 100%);
}
.circle-item.blue::before {
  background: inherit;
}

.circle-item .num {
  font-size: 48px;
  font-weight: bold;
  line-height: 1;
  margin-bottom: 5px;
  font-family: Arial, sans-serif;
}

.circle-item .desc {
  font-size: 14px;
}

.plus-icon {
  font-size: 40px;
  color: #ccc;
  font-weight: 300;
}

.products-solutions-section {
  padding: 80px 0;
  background: url("../../../images/new_aboutus/index/img/product-background.png") no-repeat center top;
  background-size: 100% 100%;
}

.applications-group {
  margin-bottom: 80px;
}

.solutions-group {
  margin-bottom: 0;
}

.section-header.light-text h2 {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  margin-bottom: 20px;
}

.section-header .highlight-num {
  color: #00de9d;
  font-family: Arial, sans-serif;
  margin-right: 5px;
}

.section-header.light-text .subtitle {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  max-width: 1000px;
}

.dark-card-container {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 100%
  );
  border-radius: 20px;
  padding: 60px 40px;
  margin-top: 40px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.grid-box {
  display: grid;
  gap: 40px 20px;
}

.grid-box.col-6 {
  grid-template-columns: repeat(6, 1fr);
}

.grid-box.col-5 {
  grid-template-columns: repeat(5, 1fr);
}

.grid-item {
  background: transparent;
  padding: 0;
  text-align: center;
  border-radius: 0;
  color: #fff;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.grid-item:hover {
  background: transparent;
  transform: translateY(-5px);
}

.icon-wrapper {
  margin-bottom: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.icon-placeholder {
  background: rgba(0, 222, 157, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #00de9d;
  font-size: 20px;
  position: relative;
}

.app-icon {
  width: 48px;
  height: 48px;
  background-image: linear-gradient(135deg, #00de9d 0%, #00a0e9 100%);
  -webkit-mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" fill="black" xmlns="http://www.w3.org/2000/svg"><rect x="4" y="4" width="16" height="16"/></svg>')
    no-repeat center;
  mask: url('data:image/svg+xml;utf8,<svg viewBox="0 0 24 24" fill="black" xmlns="http://www.w3.org/2000/svg"><rect x="4" y="4" width="16" height="16"/></svg>')
    no-repeat center;
  background-color: #00de9d;
}

.sol-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, #00de9d 0%, #0060e1 100%);
  opacity: 0.8;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 222, 157, 0.3);
}

.icon-img {
  max-width: none;
  width: 44px;
  height: 44px;
  object-fit: contain;
  display: block;
}

.grid-box.col-5 .icon-img {
  width: 60px;
  height: 60px;
}

.grid-item .name {
  font-size: 14px;
  color: #fff;
  line-height: 1.4;
  opacity: 0.9;
}

.grid-item .icon {
  display: none;
}
.grid-item p {
  display: none;
}

.partners-section {
  padding: 100px 0;
  background: #fff;
}

.partners-section .section-header {
  margin-bottom: 40px;
  text-align: left;
}

.partners-section h2 {
  font-size: 32px;
  font-weight: bold;
  color: var(--text-dark);
}

.partners-section h2 .highlight {
  color: #00b2a9;
}

.partner-tabs {
  display: flex;
  gap: 40px;
  margin-bottom: 40px;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 0;
}

.tab-item {
  padding: 15px 0;
  font-size: 14px;
  color: var(--text-dark);
  cursor: pointer;
  position: relative;
  font-weight: 500;
}

.tab-item.active {
  color: #00b2a9;
  font-weight: bold;
}

.tab-item.active::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 3px;
  background: #00b2a9;
}

.logos-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  border-left: 1px solid #eee;
}

.logo-box {
  background: #fff;
  display: flex;
  max-height: 100px;
  height: 100px;
  padding: 0 10px;
  align-items: center;
  justify-content: center;
  border-top: 1px solid #eee;
  border-right: 1px solid #eee;
  border-bottom: 1px solid #eee;
  transition: all 0.3s;
  position: relative;
}

.logo-box:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  z-index: 1;
}

.logo-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.logo-box .placeholder-text {
  display: none;
  font-size: 14px;
  color: #999;
  font-weight: bold;
}

.bottom-cta-banner {
  padding: 70px 0;
  background: url("../../../images/new_aboutus/index/img/bottom-background.png") no-repeat center center;
  background-size: cover;
  color: #fff;
  text-align: center;
}

.bottom-cta-banner h2 {
  font-size: 32px;
  font-weight: bold;
  margin: 0;
}

.mobile-only {
  display: none;
}

@media screen and (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

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

  .stats-row,
  .mv-container,
  .stats-grid,
  .service-badges,
  .portal-formula,
  .bottom-info {
    flex-direction: column;
    gap: 20px;
  }

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

  .timeline-items {
    flex-direction: column;
    height: auto;
  }

  .timeline-track {
    left: 20px;
    width: 2px;
    height: 100%;
    top: 0;
    transform: none;
  }

  .timeline-item {
    width: 100%;
    flex-direction: row !important;
    justify-content: flex-start !important;
    padding: 20px 0 20px 40px !important;
    text-align: left;
    height: auto;
  }

  .timeline-item .dot {
    left: 20px;
    top: 30px;
    transform: translateX(-50%);
  }

  .timeline-item .content-box {
    position: relative;
    top: auto !important;
    bottom: auto !important;
    left: auto;
    padding: 0 !important;
    width: 100%;
  }

  .timeline-item .content-box::after,
  .timeline-item .content-box::before {
    display: none;
  }

  .timeline-item .year,
  .timeline-item .desc {
    top: 0 !important;
    bottom: 0 !important;
    text-align: left;
  }

  .mobile-reserved-space {
    display: block;
    height: 50px;
    background: #eee;
    margin: 20px 0;
    text-align: center;
    line-height: 50px;
    color: #999;
  }
}

@media screen and (min-width: 769px) and (max-width: 1220px) {
  .pc-timeline {
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 20px;
  }

  .pc-timeline .timeline-items {
    min-width: 1600px;
    padding: 0 40px;
  }

  .pc-timeline .timeline-track {
    min-width: 1600px;
    width: auto;
  }

  .pc-timeline::-webkit-scrollbar {
    height: 6px;
  }
  .pc-timeline::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
  }
  .pc-timeline::-webkit-scrollbar-track {
    background: #f1f1f1;
  }
}