/* 业务详情页通用样式 */

/* Hero 区域 */
.biz-hero {
  position: relative;
  height: 740px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

@media (min-width: 768px) { .biz-hero { height:  740px; } }

.biz-hero-bg {
  position: absolute;
  inset: 0;
}

.biz-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.biz-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,150,105,0.7) 0%, rgba(6,78,59,0.5) 50%, rgba(8,145,178,0.3) 100%);
}

.biz-hero-overlay.blue {
  background: linear-gradient(180deg, rgba(30,64,175,0.85) 0%, rgba(37,99,235,0.7) 50%, rgba(59,130,246,0.5) 100%);
}

.biz-hero-overlay.green-dark {
  background: linear-gradient(180deg, rgba(6,78,59,0.9) 0%, rgba(5,150,105,0.8) 50%, rgba(16,185,129,0.6) 100%);
}

.biz-hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  padding: 0 16px;
}

.biz-hero-content h1 {
  color: var(--white);
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.4;
}

@media (min-width: 768px) { .biz-hero-content h1 { font-size: 32px; } }

.biz-hero-content p {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  line-height: 1.8;
}

@media (min-width: 768px) { .biz-hero-content p { font-size: 15px; } }

/* 面包屑 */
.biz-breadcrumb {
  padding: 20px 0;
  background: var(--bg-light);
}

.biz-breadcrumb-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--gray-500);
}

.biz-breadcrumb-inner a {
  color: var(--primary);
  transition: color 0.2s;
}

.biz-breadcrumb-inner a:hover {
  color: var(--primary-dark);
}

.biz-breadcrumb-inner .sep {
  color: var(--gray-300);
}

/* 内容区域 */
.biz-content {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .biz-content { padding: 80px 0; } }

.biz-section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 24px;
}

@media (min-width: 768px) { .biz-section-title { font-size: 28px; } }

.biz-section-desc {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 48px;
}

/* 功能卡片行 */
.biz-feature-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 64px;
}

@media (min-width: 768px) { .biz-feature-row { grid-template-columns: repeat(4, 1fr); gap: 20px; } }

.biz-feature-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  transition: all 0.3s;
  background: var(--white);
}

.biz-feature-card:hover {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(5,150,105,0.1);
  transform: translateY(-2px);
}

.biz-feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.biz-feature-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.biz-feature-card span {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  line-height: 1.4;
}

/* 核心技术 */
.biz-tech-section {
  margin-bottom: 64px;
}

.biz-tech-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

@media (min-width: 768px) { .biz-tech-section h2 { font-size: 24px; } }

.biz-tech-section h2 span {
  color: var(--primary);
}

.biz-tech-desc {
  color: var(--gray-600);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 32px;
}

.biz-tech-grid {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-around;
  gap: 25px;
}

/* @media (min-width: 768px) { .biz-tech-grid {  gap: 16px; } } */

.biz-tech-item {
  background: var(--teal-10);
  /* border-radius: 12px; */
  padding: 32px;
  text-align: center;
  /* border: 1px solid var(--gray-100); */
  box-shadow: 0 0 20px rgba(230, 241, 249, 0.7);
  transition: all 0.3s;
  width: 590px;
}

.biz-tech-item:hover {
  background: var(--bg-light);
  border-color: var(--primary-light);
  transform: translateY(-2px);
}

.biz-tech-item span {
  font-size: 18px;
  font-weight: 500;
  color: var(--gray-700);
}

/* 业务概览卡片 */
.biz-overview-section {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .biz-overview-section { padding: 80px 0; } }

.biz-overview-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--gray-50);
  
  overflow: hidden;
  margin-bottom: 32px;
}

@media (min-width: 768px) { .biz-overview-card { grid-template-columns: 1fr 1fr; } }

.biz-overview-card-text {
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

@media (min-width: 768px) { .biz-overview-card-text { padding: 48px 40px; } }

.biz-overview-card-text h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

@media (min-width: 768px) { .biz-overview-card-text h3 { font-size: 22px; } }

.biz-overview-card-text p {
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 24px;
}

.biz-detail-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 14px;
  color: var(--gray-700);
  background: var(--white);
  transition: all 0.3s;
  cursor: pointer;
  align-self: flex-start;
}

.biz-detail-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.biz-detail-btn svg {
  width: 16px;
  height: 16px;
}

.biz-overview-card-img {
  overflow: hidden;
  min-height: 200px;
}

@media (min-width: 768px) { .biz-overview-card-img { min-height: 280px; } }

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

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

/* 解决方案 */
.biz-solution-section {
  margin-bottom: 48px;
}

.biz-solution-section h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 16px;
}

@media (min-width: 768px) { .biz-solution-section h2 { font-size: 24px; } }

.biz-solution-desc {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
}

/* 智库服务列表 */
.thinktank-section {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .thinktank-section { padding: 80px 0; } }

.thinktank-header {
  margin-bottom: 48px;
}

.thinktank-header h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 12px;
}

@media (min-width: 768px) { .thinktank-header h2 { font-size: 28px; } }

.thinktank-header p {
  color: var(--gray-500);
  font-size: 14px;
  line-height: 1.7;
}

.thinktank-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 48px;
  
}

.thinktank-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 12px;
  
  border: 1px solid var(--gray-100);
  transition: all 0.3s;
}

.thinktank-item:hover {
  background: #13a93d;
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(5,150,105,0.2);
}

.thinktank-item:hover .thinktank-item-label,
.thinktank-item:hover .thinktank-item-desc {
  color: var(--white);
}

.thinktank-item:hover .thinktank-num {
  background: #13a93d;
  border: 1px solid #ffffff;
  color: var(--white);
}

.thinktank-item.highlight {
  background: #13a93d;
  border-color: var(--primary);
}

.thinktank-item.highlight .thinktank-item-label,
.thinktank-item.highlight .thinktank-item-desc {
  color: var(--white);
}

.thinktank-item.highlight .thinktank-num {
  background: #13a93d;
  border: 1px solid #ffffff;
  color: var(--white);
}

.thinktank-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #313431;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  position: absolute;
  left: -20px;
}

.thinktank-item-content {
  flex: 1;
}

.thinktank-item-label {
  font-size: 18px;
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.thinktank-item-desc {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.7;
}

.thinktank-summary {
  
  border-radius: 12px;
  padding: 24px 32px;
  margin-bottom: 32px;
}

.thinktank-summary p {
  color: var(--gray-700);
  font-size: 24px;
  line-height: 1.8;
  text-align: center;
}

.thinktank-features {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.thinktank-feature-item {
  padding: 24px 24px;
  background: var(--gray-50);
  border-radius: 12px;
  border-left: 5px solid var(--primary);
  box-shadow: 0 0 12px rgba(228, 228, 228, 0.7);
}

.thinktank-feature-item strong {
  color: var(--gray-800);
  font-size: 18px;
}

.thinktank-feature-item span {
  color: var(--gray-600);
  font-size: 16px;
  line-height: 1.7;
}

/* 战略规划页面 */
.strategy-section {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .strategy-section { padding: 80px 0; } }

.strategy-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
}

@media (min-width: 768px) { .strategy-intro { grid-template-columns: 1fr 1fr; gap: 64px; } }

.strategy-intro-text h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 20px;
}

@media (min-width: 768px) { .strategy-intro-text h2 { font-size: 28px; } }

.strategy-intro-text p {
  color: var(--gray-600);
  font-size: 15px;
  line-height: 1.8;
}

.strategy-intro-img {
  display: flex;
  justify-content: center;
}

.strategy-intro-img img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

.strategy-services {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
  margin-bottom: 64px;
  padding: 48px 0;
  border-top: 1px solid var(--gray-100);
  border-bottom: 1px solid var(--gray-100);
}

@media (min-width: 768px) { .strategy-services { grid-template-columns: 1fr 1fr; gap: 64px; } }

.strategy-services h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 24px;
}

@media (min-width: 768px) { .strategy-services h2 { font-size: 28px; } }

.strategy-services-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 768px) { .strategy-services-list { grid-template-columns: 1fr 1fr; } }

.strategy-service-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-700);
}

.strategy-service-item::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}

.strategy-services-img {
  display: flex;
  justify-content: center;
}

.strategy-services-img img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

.strategy-advantages {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 768px) { .strategy-advantages { grid-template-columns: 1fr 1fr; gap: 64px; } }

.strategy-advantages h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 24px;
}

@media (min-width: 768px) { .strategy-advantages h2 { font-size: 28px; } }

.strategy-advantage-item {
  margin-bottom: 20px;
}

.strategy-advantage-item:last-child {
  margin-bottom: 0;
}

.strategy-advantage-item strong {
  display: block;
  font-size: 15px;
  color: var(--gray-800);
  margin-bottom: 6px;
}

.strategy-advantage-item p {
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.7;
}

.strategy-advantages-img {
  display: flex;
  justify-content: center;
}

.strategy-advantages-img img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
}

/* 发展历程页面 */
.history-section {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .history-section { padding: 80px 0; } }

.history-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 48px;
}

@media (min-width: 768px) { .history-title { font-size: 28px; } }

/* 时间线 */
.timeline-wrapper {
  position: relative;  
  padding: 80px 48px 80px;
  overflow: hidden;
  background: url(../images/s.png) no-repeat fixed center;;
  height: 710px;
}

.timeline-row-ml{
  margin-left: 100px!important;
}
@media (max-width: 767px) {
  .timeline-wrapper {
    padding: 24px 16px 24px;
    background: none;
    height: auto;
  }
  .timeline-row-ml{
  margin-left: 0!important;
}

.timeline-row {
    
    margin-bottom: 0!important;
  }
  .timeline-item{border: 1px solid var(--gray-200); }
}

.timeline-svg-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.timeline-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  z-index: 1;
  
}

@media (min-width: 768px) {
  .timeline-grid {
    gap: 0;
  }
}

.timeline-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 50px;
  margin-bottom: 140px;
  
}

@media (min-width: 768px) {
  .timeline-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 85%;
    margin: 0 auto;
    margin-bottom: 140px;
  }
  .timeline-row-top {
    margin-left: 0;
    margin-right: auto;
  }
  .timeline-row-bottom {
    margin-top: 80px;
    margin-left: auto;
    margin-right: 0;
  }
  .timeline-row-bottom .timeline-item:nth-child(1) {
    grid-column: 3;
  }
  .timeline-row-bottom .timeline-item:nth-child(2) {
    grid-column: 2;
  }
}

.timeline-item {
  padding: 24px;
  border-radius: 12px;
  background: var(--white);
  /* border: 1px solid var(--gray-200); */
  transition: all 0.3s;
  position: relative;
}



.timeline-item:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  border-color: var(--primary);
}

.timeline-item-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.timeline-item-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

.timeline-item-year {
  font-size: 16px;
  
  color: var(--gray-800);
  font-weight: 500;
}

.timeline-item p {
  color: var(--gray-600);
  font-size: 14px;
  line-height: 1.7;
}

/* 荣誉资质 */
.certificates-section {
  padding: 64px 0;
  background: var(--white);
}

@media (min-width: 1024px) { .certificates-section { padding: 80px 0; } }

.certificates-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 40px;
}

@media (min-width: 768px) { .certificates-title { font-size: 28px; } }

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

@media (min-width: 768px) { .certificates-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }

.certificate-card {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
  background: var(--white);
  transition: all 0.3s;
  cursor: pointer;
}

.certificate-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  transform: translateY(-4px);
}

.certificate-card img {
  width: 100%;
  height: auto;
  display: block;
}

.certificate-card-body {
  padding: 12px 16px;
}

.certificate-card-body h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  line-height: 1.4;
}