/* 关于我们页面样式 */

/* Banner区域 */
.about-banner {
  width: 100%;
  height: 100vh;
  position: relative;
  display: flex;
  align-items: center;
  background-image: url('../images/about-bg.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.about-banner::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/about-banner.png');
  background-size: contain;
  background-position: right bottom;
  background-repeat: no-repeat;
}

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

.about-banner .banner-content {
  max-width: 600px;
}

.about-banner .banner-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  letter-spacing: 2px;
  margin-bottom: 15px;
  text-transform: uppercase;
}

.about-banner .banner-title {
  font-size: 48px;
  font-weight: 700;
  color: #1a2b5f;
  line-height: 1.2;
  margin-bottom: 20px;
}

.about-banner .banner-desc {
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 1.8;
}

/* 企业信息与核心价值观区域（共用背景） */
.company-values-section {
  padding: 80px 0;
  background-image: url('../images/about-bg.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

.company-info-layout {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  margin-bottom: 80px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.company-info-card {
  flex: 1;
  max-width: 550px;
  background: transparent;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
}

.info-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: #999999;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.info-title {
  font-size: 32px;
  font-weight: 600;
  color: #1a2b5f;
  margin-bottom: 25px;
  padding-bottom: 15px;
  border-bottom: 3px solid #1a2b5f;
  display: inline-block;
}

.info-text {
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 1.8;
}

.info-decoration {
  width: 550px;
  height: 350px;
  background-image: url('../images/company-position.png');
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  flex-shrink: 0;
}

/* 核心价值观内容 */
.core-values-content {
  margin-top: 60px;
}

.section-header {
  text-align: center;
  margin-bottom: 0;
}

.section-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: #999999;
  letter-spacing: 2px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-size: 36px;
  font-weight: 600;
  color: #1a2b5f;
  margin-bottom: 15px;
}

.section-desc {
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.value-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.value-card:hover {
  background: #1a2b5f;
  transform: translateY(-8px);
  box-shadow: 0 8px 24px rgba(26, 43, 95, 0.3);
}

.value-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  transition: filter 0.3s ease;
}

/* 将第一个图标改为深蓝色 #2C3B82 */
.value-card:first-child .value-icon img {
  filter: brightness(0) saturate(100%) invert(20%) sepia(35%) saturate(1500%) hue-rotate(210deg) brightness(95%) contrast(90%);
}

.value-card:hover .value-icon {
  filter: brightness(0) saturate(100%) invert(100%);
}

/* hover时第一个图标也变白色 */
.value-card:first-child:hover .value-icon img {
  filter: brightness(0) saturate(100%) invert(100%);
}

.value-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.value-name {
  font-size: 18px;
  font-weight: 600;
  color: #333333;
  transition: color 0.3s ease;
}

.value-card:hover .value-name {
  color: #ffffff;
}

/* 使命愿景区域 */
.mission-vision-section {
  padding: 80px 0;
  background-color: #ffffff;
}

.mission-vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.mission-vision-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  height: 350px;
  cursor: pointer;
  transition: all 0.3s ease;
}

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

.mission-vision-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mission-vision-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  padding: 30px;
  color: #ffffff;
}

.mission-vision-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 10px;
}

.mission-vision-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  opacity: 0.9;
}

/* 企业资质区域 */
.qualifications-section {
  padding: 80px 0;
  background-image: url('../images/about-swiper-bg.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
}

/* 团队展示区域 */
.team-section {
  min-height: 500px;
  position: relative;
  display: flex;
  align-items: center;
  background-image: url('../images/about-pic.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 80px 0;
}

.team-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.team-section .container {
  position: relative;
  z-index: 2;
}

.team-content {
  display: flex;
  justify-content: flex-start;
}

.team-info-card {
  max-width: 600px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 12px;
  padding: 50px;
  backdrop-filter: blur(10px);
}

.team-title {
  font-size: 36px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 10px;
  position: relative;
}

.team-title::before {
  content: 'LOOKING TO THE FUTURE';
  display: block;
  font-size: 18px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 15px;
  letter-spacing: 2px;
}

.team-text {
  font-size: 16px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.8;
}


/* 关于我们页面导航栏样式覆盖 */

.header .nav-list a {
  color: #333333;
}

.header .nav-list a:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.header .nav-list a.active {
  color: #1a2b5f;
}

.header .nav-list a.active::after {
  background: #1a2b5f;
}

.header .search-input {
  background-color: #f5f5f5;
  border-color: #e0e0e0;
  color: #333333;
}

.header .search-input::placeholder {
  color: #999999;
}

.header .search-btn {
  color: #666666;
}

/* 关于页面多语言图标和文字样式 */
.header .nav-icon-lang img {
  filter: brightness(0) saturate(100%); /* 将图标变为黑色 */
}

.header .nav-icon-lang .lang-link {
  color: #333333;
}

.header .nav-icon-lang .lang-link:hover {
  color: #1a73e8;
}

.header .nav-icon-lang .lang-separator {
  color: #333333;
}

/* 滚动后多语言变为白色 */
.header.scrolled .nav-icon-lang img {
  filter: brightness(0) invert(1); /* 将图标变为白色 */
}

.header.scrolled .nav-icon-lang .lang-link {
  color: #ffffff;
}

.header.scrolled .nav-icon-lang .lang-link:hover {
  color: #1a73e8;
  opacity: 0.8;
}

.header.scrolled .nav-icon-lang .lang-separator {
  color: #ffffff;
}