/* 关于我们页面样式 */

/* Banner样式 */
.about-banner {
  position: relative;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  overflow: hidden;
}

.about-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/n_about.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  animation: bannerZoomIn 8s ease-out forwards;
  z-index: 0;
}

@keyframes bannerZoomIn {
    0% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.banner-content {
  position: relative;
  z-index: 2;
}

.banner-content h1 {
  font-size: 54px;
  font-weight: 700;
  margin-bottom: 30px;
}

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

/* 关于我们样式 */
.about-us-section {
  padding: 80px 0;
  background: #ffffff;
}

/* 公司简介文档页：页首白底 + 浅灰基本信息全宽分块（与 .about-intro-band 配套） */
.about-us-section--split-head {
  padding: 0;
}

/* 页首：白底标题区 + 浅灰基本信息区（全宽分块） */
.about-intro-band {
  width: 100%;
}

.about-intro-band--white {
  background: #ffffff;
  padding: 3rem 0;
}

.about-intro-band--white.about-intro-band--first {
  padding-top: 72px;
}

.about-intro-band--muted {
  background: #f8f9fa;
  padding: 3rem 0;
}

.about-us-section--split-head > .about-intro-band:last-child {
  padding-bottom: 80px;
}

.about-intro-band .about-doc-panel {
  margin-bottom: 0;
}

.about-content {
  margin: 0 auto;
}

.about-main-title {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0f172a;
  margin-bottom: 0.35rem;
  text-align: left;
  line-height: 1.28;
}

.about-intro-band--first .about-main-title {
  margin-bottom: 1rem;
}

.about-brochure-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 12px 0 32px;
  padding: 0.65rem 1.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.3;
  color: #fff;
  background-color: #39b058;
  border-radius: 8px;
  text-decoration: none;
  box-shadow: 0 2px 10px rgba(57, 176, 88, 0.35);
  transition: background-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.about-brochure-btn:hover {
  color: #fff;
  background-color: #2f9d4b;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(57, 176, 88, 0.4);
}

.about-brochure-btn:focus-visible {
  outline: 2px solid #14532d;
  outline-offset: 2px;
}

.about-brochure-btn__icon {
  flex-shrink: 0;
}

.about-main-desc {
  font-size: 16px;
  color: #4b5563;
  line-height: 1.8;
  margin: 0 auto 40px;
  text-align: left;
}

.about-main-desc p {
  margin-bottom: 16px;
}

.about-main-desc p:last-child {
  margin-bottom: 0;
}

/* 核心描述样式 */
.about-features {
  margin-top: 40px;
}

.feature-card {
  background-color: #f8f9fa;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 30px;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
  border-color: #39b058;
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
}

.feature-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 20px;
  background-color: #39b058;
  margin-right: 12px;
  border-radius: 2px;
}

.feature-desc {
  font-size: 0.9375rem;
  color: #4b5563;
  line-height: 1.7;
  flex: 1;
}

/* 公司简介样式 */
.company-intro {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.intro-content {
  padding-right: 30px;
}

.intro-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #111827;
}

.intro-content p {
  font-size: 1rem;
  color: #4b5563;
  margin-bottom: 16px;
  line-height: 1.8;
}

.intro-image {
  border-radius: 8px;
  overflow: hidden;
}

/* 核心价值观样式 */
.core-values {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #111827;
  margin-bottom: 10px;
}

.title-line {
  width: 60px;
  height: 3px;
  background-color: #39b058;
  margin: 0 auto;
}

.value-item {
  text-align: center;
  padding: 24px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  margin-bottom: 30px;
  transition: all 0.3s ease;
  border: 1px solid #f0f0f0;
}

.value-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.value-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(57, 176, 88, 0.1);
  color: #39b058;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 15px;
  font-size: 1.25rem;
}

.value-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #111827;
}

.value-item p {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.6;
}

/* 发展历程样式 */
.development-history {
  padding: 80px 0;
  background-color: #ffffff;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: #e5e7eb;
}

.timeline-item {
  position: relative;
  padding-left: 40px;
  margin-bottom: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 5px;
  width: 20px;
  height: 20px;
  background-color: #39b058;
  border-radius: 50%;
  border: 4px solid #ffffff;
  box-shadow: 0 0 0 2px #39b058;
}

.timeline-year {
  font-size: 1.25rem;
  font-weight: 700;
  color: #39b058;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 8px;
}

.timeline-content p {
  font-size: 0.875rem;
  color: #4b5563;
  line-height: 1.6;
}

/* 团队介绍样式 */
.team-intro {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.team-item {
  text-align: center;
  padding: 20px;
  transition: all 0.3s ease;
}

.team-image {
  margin-bottom: 15px;
}

.team-image img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border: 4px solid #ffffff;
}

.team-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: #111827;
  margin-bottom: 5px;
}

.team-info p {
  font-size: 0.875rem;
  color: #4b5563;
  margin-bottom: 0;
}

.team-item:hover {
  transform: translateY(-5px);
}

/* 响应式设计 */
@media (max-width: 768px) {
  .about-banner {
    height: 300px;
  }
  
  .banner-content h1 {
    font-size: 2rem;
  }
  
  .company-intro {
    padding: 60px 0;
  }
  
  .intro-content {
    padding-right: 0;
    margin-bottom: 30px;
  }
  
  .core-values,
  .development-history,
  .team-intro {
    padding: 60px 0;
  }
  
  .timeline::before {
    left: 20px;
  }
  
  .timeline-item {
    padding-left: 60px;
  }
  
  .timeline-item::before {
    left: 11px;
  }
}

@media (max-width: 576px) {
  .team-image img {
    width: 120px;
    height: 120px;
  }
}

/* 简介文档页 */
.about-doc-meta {
  font-size: 0.8125rem;
  color: #64748b;
  margin-bottom: 1.75rem;
  padding: 0.5rem 0.85rem;
  max-width: 42rem;
  border-radius: 8px;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border: 1px solid #e2e8f0;
}

/* 每个独立栏目：整块卡片 */
.about-doc-panel {
  position: relative;
  border-radius: 14px;
  margin-bottom: 1.35rem;
 
}

.about-doc-panel:last-child {
  margin-bottom: 0;
}

.about-doc-panel .about-doc-subtitle {
  margin: 0 0 1.1rem;
  padding-bottom: 0.95rem;
}

.about-doc-panel .about-main-desc {
  margin-bottom: 0;
  font-size: 0.96875rem;
  color: #475569;
  line-height: 1.78;
}

.about-doc-panel .about-main-desc p:last-child {
  margin-bottom: 0;
}

.about-doc-panel .about-doc-figure {
  margin: 0;
  max-width: none;
}

.about-doc-panel .about-doc-table-wrap {
  margin-bottom: 0;
}

.about-doc-panel .about-main-desc + .about-doc-table-wrap {
  margin-top: 1rem;
}

.about-doc-panel .about-doc-table-wrap + .about-main-desc {
  margin-top: 1.25rem;
}

.about-doc-panel .about-doc-subtitle + .about-doc-slides {
  margin-top: 0.25rem;
}

/* 五、项目业绩：网格卡片，标题条 + 限高图区 */
.about-doc-slides--projects {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 768px) {
  .about-doc-slides--projects {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.125rem;
  }
}

@media (min-width: 1200px) {
  .about-doc-slides--projects {
    gap: 1.125rem 1.35rem;
  }
}

.about-doc-project {
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e8eaed;
  border-radius: 10px;
  overflow: hidden;
}

.about-doc-project::before {
  content: '';
  display: block;
  height: 3px;
  flex-shrink: 0;
  background: linear-gradient(90deg, #39b058, #4ade80);
}

.about-doc-project__title {
  margin: 0;
  padding: 0.65rem 0.9rem 0.7rem;
  font-size:14px;
  font-weight: 600;
  line-height: 1.5;
  color: #374151;
  letter-spacing: 0.01em;
  border-bottom: 1px solid #eef0f3;
  background: linear-gradient(180deg, #fcfcfd 0%, #f6f7f9 100%);
}

.about-doc-project__media {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 8px;
  min-height: 0;
}

.about-doc-project__media img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 280px;
  object-fit: contain;
  border-radius: 8px;
  cursor: zoom-in;
}

@media (max-width: 767px) {
  .about-doc-project__media img {
    max-height: 240px;
  }
}

/* 五、项目业绩：点击放大预览 */
.about-project-lightbox {
  position: fixed;
  inset: 0;
  z-index: 1080;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 20px 20px;
  background: rgba(0, 0, 0, 0.7);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.about-project-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.about-project-lightbox__img {
  max-width: min(96vw, 1400px);
  max-height: 90vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  cursor: default;
}

.about-project-lightbox__close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: 8px;
  font-size: 28px;
  line-height: 1;
  color: #f8fafc;
  background: rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.about-project-lightbox__close:hover {
  background: rgba(255, 255, 255, 0.22);
  color: #fff;
}

.about-doc-panel .about-doc-table {
  box-shadow: none;
}

/* 章节标题下紧跟的单图（组织架构、注册证书等） */
.about-doc-figure {
  margin: 0 auto 2.75rem;
  max-width: 1200px;
}

.about-doc-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

/* 三、注册证书：略加重层次，与组织架构图区分 */
.about-doc-figure--certificate img {
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.1);
}

.about-doc-subtitle + .about-doc-figure {
  margin-top: 0.25rem;
}

/* 图册每张图上方说明（与 PDF 幻灯片标题一致） */
.about-doc-caption {
  font-size: 1.0625rem;
  font-weight: 600;
  color: #111827;
  margin: 0 0 0.75rem;
  line-height: 1.5;
  padding: 0.35rem 0 0.35rem 0.85rem;
  border-left: 4px solid #39b058;
  text-align: left;
}

.about-doc-slides {
  padding: 0;
}

/* 章节标题：左侧纯色竖条 */
.about-doc-subtitle {
  display: flex;
  align-items: center;
  gap: 0;
  margin: 0 0 1rem;
  padding: 0.15rem 0 0.75rem;
  border-bottom: none;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: #0f172a;
}

.about-doc-subtitle::before {
  content: '';
  display: inline-block;
  flex-shrink: 0;
  width: 4px;
  height: 24px;
  margin-right: 10px;
  border-radius: 2px;
  background-color: #39b058;
  align-self: center;
}

@media (min-width: 768px) {
  .about-doc-subtitle {
    font-size: 1.25rem;
  }
}

.about-doc-table-wrap {
  overflow-x: auto;
  margin: 1rem 0 2rem;
}

.about-doc-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 0.9375rem;
  background: #fff;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}

.about-doc-table th,
.about-doc-table td {
  border: 1px solid #e5e7eb;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}

.about-doc-table th {
  background: #f8f9fa;
  font-weight: 600;
  color: #111827;
}

/* 法文 III. 注册证书：证书下方 Rubrique / Contenu 对照表 */
.about-doc-table--incorporation-fr {
  min-width: 100%;
}

.about-doc-table--incorporation-fr tbody td:first-child {
  font-weight: 600;
  color: #374151;
  width: 32%;
  min-width: 10.5rem;
}

.about-doc-table--incorporation-fr td p {
  margin: 0 0 0.65rem;
  line-height: 1.6;
}

.about-doc-table--incorporation-fr td p:last-child {
  margin-bottom: 0;
}

.about-doc-table__note-en {
  color: #64748b;
  font-size: 0.9em;
}

.about-doc-table-wrap--incorp-fr {
  margin-top: 0.5rem;
}

.about-doc-list {
  margin: 0 0 1.5rem;
  padding-left: 1.25rem;
  color: #4b5563;
  line-height: 1.75;
}

.about-doc-list li {
  margin-bottom: 0.5rem;
}