/* 西安VR全景拍摄服务网站 - 首页样式 */

/* ========== Banner区域 ========== */
.banner {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-bg);
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1), transparent 50%),
              radial-gradient(circle at 80% 50%, rgba(191, 0, 255, 0.1), transparent 50%);
}

.banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.banner-content h1 {
  font-size: 48px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.banner-content p {
  font-size: 18px;
  color: var(--metallic-silver);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.banner-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-bottom: 60px;
}

/* 统计数据 */
.banner-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  max-width: 800px;
  margin: 0 auto;
}

.stat-item {
  text-align: center;
  padding: 20px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.stat-number {
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 5px;
}

.stat-label {
  font-size: 14px;
  color: var(--metallic-silver);
}

/* ========== 核心业务展示 ========== */
.core-services {
  padding: 100px 0;
  background: var(--dark-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  padding: 40px 30px;
  text-align: center;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--neon-blue);
}

.service-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--light-text);
}

.service-card p {
  color: var(--metallic-silver);
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.6;
}

/* ========== 案例展示 ========== */
.featured-cases {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.case-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.case-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.case-visual {
  height: 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.case-visual-scenic {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 102, 204, 0.5));
}

.case-visual-cultural {
  background: linear-gradient(135deg, rgba(191, 0, 255, 0.3), rgba(102, 0, 204, 0.5));
}

.case-visual-estate {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.3), rgba(0, 153, 102, 0.5));
}

.case-visual-campus {
  background: linear-gradient(135deg, rgba(255, 193, 7, 0.3), rgba(255, 152, 0, 0.5));
}

.case-visual-enterprise {
  background: linear-gradient(135deg, rgba(233, 30, 99, 0.3), rgba(156, 39, 176, 0.5));
}

.case-visual-store {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.3), rgba(0, 150, 136, 0.5));
}

.case-icon-large {
  font-size: 64px;
  margin-bottom: 10px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.case-type-tag {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 5px 15px;
  border-radius: 20px;
  font-size: 12px;
  color: #fff;
  font-weight: 500;
}

.case-content {
  padding: 25px;
}

.case-content h3 {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--light-text);
}

.case-content p {
  color: var(--metallic-silver);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 15px;
}

.case-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.case-feature-tag {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 15px;
  padding: 4px 12px;
  font-size: 11px;
  color: var(--neon-blue);
}

.btn-case {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--neon-blue);
  color: var(--neon-blue);
  padding: 10px 20px;
  border-radius: 25px;
  font-size: 14px;
  transition: all 0.3s ease;
}

.btn-case:hover {
  background: var(--neon-blue);
  color: var(--dark-bg);
}

/* ========== 我们的优势 ========== */
.advantages-preview {
  padding: 100px 0;
  background: var(--dark-bg);
}

.advantages-list {
  max-width: 1000px;
  margin: 0 auto;
}

.advantage-item {
  display: flex;
  gap: 30px;
  padding: 40px;
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.advantage-item:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.advantage-number {
  font-size: 48px;
  font-weight: bold;
  color: var(--neon-blue);
  text-shadow: 0 0 20px var(--neon-blue);
  flex-shrink: 0;
}

.advantage-content h3 {
  font-size: 20px;
  margin-bottom: 10px;
  color: var(--light-text);
}

.advantage-content p {
  color: var(--metallic-silver);
  font-size: 14px;
  line-height: 1.8;
}

/* ========== 文章资讯 ========== */
.latest-articles {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.article-item {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  padding: 30px;
  transition: all 0.3s ease;
}

.article-item:hover {
  border-color: var(--neon-blue);
}

.article-meta {
  display: flex;
  gap: 15px;
  margin-bottom: 15px;
  font-size: 12px;
  color: var(--neon-blue);
}

.article-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.article-item h3 a {
  color: var(--light-text);
  transition: color 0.3s ease;
}

.article-item h3 a:hover {
  color: var(--neon-blue);
}

.article-item p {
  color: var(--metallic-silver);
  font-size: 14px;
  line-height: 1.6;
}

/* ========== FAQ常见问题 ========== */
.faq-section {
  padding: 100px 0;
  background: var(--dark-bg);
}

.faq-grid {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.faq-question:hover {
  background: rgba(0, 212, 255, 0.1);
}

.faq-question h3 {
  font-size: 18px;
  color: var(--light-text);
  margin: 0;
}

.faq-toggle {
  font-size: 24px;
  color: var(--neon-blue);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 30px 20px;
  display: none;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.6;
  margin: 0;
}

/* ========== 服务流程 ========== */
.service-process {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.process-steps {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-top: 60px;
}

.process-step {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  text-align: center;
  min-width: 200px;
  transition: all 0.3s ease;
}

.process-step:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.process-number {
  font-size: 48px;
  font-weight: bold;
  color: var(--neon-blue);
  text-shadow: 0 0 20px var(--neon-blue);
  margin-bottom: 20px;
}

.process-content h3 {
  font-size: 18px;
  color: var(--light-text);
  margin-bottom: 10px;
}

.process-content p {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.6;
  margin: 0;
}

.process-arrow {
  font-size: 36px;
  color: var(--neon-blue);
  font-weight: bold;
  margin: 0 10px;
  flex-shrink: 0;
}

/* ========== 联系我们预览 ========== */
.contact-preview {
  padding: 100px 0;
  background: var(--dark-bg);
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.contact-item {
  display: flex;
  gap: 20px;
  padding: 40px;
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 10px;
  text-align: left;
  transition: all 0.3s ease;
}

.contact-item:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.contact-icon {
  font-size: 36px;
  flex-shrink: 0;
}

.contact-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--light-text);
}

.contact-content p {
  color: var(--metallic-silver);
  font-size: 14px;
  margin-bottom: 5px;
}

.phone-number {
  font-size: 24px;
  font-weight: bold;
  display: block;
  margin: 10px 0;
}

/* ========== 悬浮电话按钮 ========== */
.floating-phone {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
  border: 2px solid var(--neon-blue);
  border-radius: 50px;
  padding: 15px 25px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--light-text);
  font-weight: bold;
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.5);
  z-index: 999;
  transition: all 0.3s ease;
  animation: pulse 2s ease infinite;
}

.floating-phone:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 40px rgba(0, 212, 255, 0.7);
}

.floating-phone span:first-child {
  font-size: 24px;
}

.floating-phone span:last-child {
  font-size: 16px;
}

/* ========== 文本居中 ========== */
.text-center {
  text-align: center;
}

/* ========== VR全景播放器弹窗 ========== */
.vr-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 10000;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.vr-modal.active {
  display: flex;
}

.vr-modal-content {
  background: var(--dark-bg);
  border: 2px solid var(--neon-blue);
  border-radius: 15px;
  width: 100%;
  max-width: 1200px;
  height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
}

.vr-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 30px;
  background: rgba(0, 212, 255, 0.1);
  border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.vr-modal-header h3 {
  font-size: 20px;
  color: var(--light-text);
  margin: 0;
}

.vr-modal-close {
  background: none;
  border: none;
  font-size: 32px;
  color: var(--metallic-silver);
  cursor: pointer;
  transition: color 0.3s ease;
  line-height: 1;
}

.vr-modal-close:hover {
  color: var(--neon-blue);
}

.vr-modal-body {
  flex: 1;
  padding: 0;
  overflow: hidden;
}

.vr-modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ========== 案例分类标题 ========== */
.case-category-title {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 60px 0 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid rgba(0, 212, 255, 0.3);
}

.case-category-title:first-of-type {
  margin-top: 40px;
}

.category-icon {
  font-size: 32px;
}

.case-category-title h3 {
  font-size: 24px;
  color: var(--light-text);
  margin: 0;
}

/* ========== 播放覆盖层 ========== */
.play-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
  cursor: pointer;
}

.case-card:hover .play-overlay {
  opacity: 1;
}

.play-icon {
  font-size: 48px;
  color: #fff;
  text-shadow: 0 0 20px rgba(0, 212, 255, 0.8);
  margin-bottom: 10px;
}

.play-text {
  font-size: 14px;
  color: #fff;
  background: rgba(0, 212, 255, 0.8);
  padding: 8px 20px;
  border-radius: 20px;
  font-weight: 500;
}

/* ========== 更多渐变背景 ========== */
.case-visual-school {
  background: linear-gradient(135deg, rgba(255, 152, 0, 0.3), rgba(255, 87, 34, 0.5));
}

.case-visual-temple {
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.3), rgba(103, 58, 183, 0.5));
}

.case-visual-town {
  background: linear-gradient(135deg, rgba(121, 85, 72, 0.3), rgba(96, 64, 52, 0.5));
}

.case-visual-lake {
  background: linear-gradient(135deg, rgba(33, 150, 243, 0.3), rgba(3, 169, 244, 0.5));
}

.case-visual-mountain {
  background: linear-gradient(135deg, rgba(76, 175, 80, 0.3), rgba(139, 195, 74, 0.5));
}

.case-visual-hotel {
  background: linear-gradient(135deg, rgba(233, 30, 99, 0.3), rgba(255, 105, 180, 0.5));
}

.case-visual-tech {
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.3), rgba(0, 150, 136, 0.5));
}

.case-visual-office {
  background: linear-gradient(135deg, rgba(96, 125, 139, 0.3), rgba(84, 110, 122, 0.5));
}

/* ========== VR全景价值介绍 ========== */
.vr-value-intro {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.5), var(--dark-bg));
}

.value-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 60px;
}

.value-stat-item {
  text-align: center;
  padding: 40px 20px;
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  transition: all 0.3s ease;
}

.value-stat-item:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.value-number {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 15px;
}

.value-label {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.6;
}

.value-description {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.value-description p {
  font-size: 16px;
  color: var(--metallic-silver);
  line-height: 2;
  margin-bottom: 20px;
}

.value-description strong {
  color: var(--neon-blue);
}

/* ========== 技术卖点展示 ========== */
.tech-features {
  padding: 100px 0;
  background: var(--dark-bg);
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.tech-item {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 25px;
  text-align: center;
  transition: all 0.3s ease;
}

.tech-item:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.tech-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.tech-item h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--light-text);
}

.tech-item p {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.8;
}

.tech-item strong {
  color: var(--neon-blue);
}

/* ========== 服务范围展示 ========== */
.service-scope {
  padding: 100px 0;
  background: var(--dark-bg);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.scope-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.scope-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.scope-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.scope-card h3 {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--light-text);
}

.scope-card ul {
  list-style: none;
  padding: 0;
}

.scope-card li {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.8;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.scope-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--neon-blue);
  font-weight: bold;
}

/* ========== 技术实力展示 ========== */
.tech-capabilities {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.tech-capabilities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.tech-capability-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.tech-capability-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.tech-capability-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.tech-capability-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--light-text);
}

.tech-capability-card p {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.6;
  margin-bottom: 20px;
}

.tech-specs,
.tech-features,
.tech-interactions,
.tech-deployment {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-spec-tag,
.tech-feature-tag,
.tech-interaction-tag,
.tech-deployment-tag {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--light-text);
  transition: all 0.3s ease;
}

.tech-spec-tag:hover,
.tech-feature-tag:hover,
.tech-interaction-tag:hover,
.tech-deployment-tag:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--neon-blue);
}

/* ========== 行业解决方案 ========== */
.industry-solutions {
  padding: 100px 0;
  background: var(--dark-bg);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.industry-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.industry-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.industry-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.industry-card h3 {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--light-text);
}

.industry-card ul {
  list-style: none;
  padding: 0;
}

.industry-card li {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.8;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.industry-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--neon-blue);
  font-weight: bold;
}

/* ========== 客户见证 ========== */
.client-testimonials {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.testimonial-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.testimonial-content {
  text-align: center;
}

.testimonial-rating {
  font-size: 24px;
  margin-bottom: 20px;
}

.testimonial-text {
  font-size: 15px;
  color: var(--metallic-silver);
  line-height: 1.8;
  margin-bottom: 30px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  justify-content: center;
}

.author-info h4 {
  font-size: 16px;
  color: var(--light-text);
  margin-bottom: 5px;
}

.author-info p {
  font-size: 14px;
  color: var(--metallic-silver);
  margin: 0;
}

/* ========== 行业应用深度 ========== */
.industry-depth {
  padding: 100px 0;
  background: var(--dark-bg);
}

.industry-depth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.industry-depth-card {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px 30px;
  transition: all 0.3s ease;
}

.industry-depth-card:hover {
  transform: translateY(-10px);
  border-color: var(--neon-blue);
  box-shadow: 0 20px 40px rgba(0, 212, 255, 0.2);
}

.industry-depth-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.industry-depth-card h3 {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--light-text);
}

.industry-depth-card ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.industry-depth-card li {
  font-size: 14px;
  color: var(--metallic-silver);
  line-height: 1.8;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.industry-depth-card li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--neon-blue);
  font-weight: bold;
}

.industry-depth-benefit {
  font-size: 14px;
  color: var(--neon-blue);
  font-weight: 500;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid rgba(0, 212, 255, 0.2);
}

/* ========== 公司实力展示 ========== */
.company-strength {
  padding: 100px 0;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.3), var(--dark-bg));
}

.strength-content {
  max-width: 1000px;
  margin: 0 auto;
}

.strength-block {
  background: rgba(26, 26, 46, 0.8);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 15px;
  padding: 40px;
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.strength-block:hover {
  border-color: var(--neon-blue);
  box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.strength-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 20px;
}

.strength-icon {
  font-size: 36px;
}

.strength-header h3 {
  font-size: 22px;
  color: var(--light-text);
}

.strength-desc {
  font-size: 15px;
  color: var(--metallic-silver);
  line-height: 1.8;
  margin-bottom: 20px;
}

.strength-desc strong {
  color: var(--neon-blue);
}

.equipment-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.equipment-tag {
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.3);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--light-text);
  transition: all 0.3s ease;
}

.equipment-tag:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--neon-blue);
}

.strength-footer {
  font-size: 14px;
  color: var(--metallic-silver);
  font-style: italic;
}

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

.feature-category {
  background: rgba(0, 212, 255, 0.05);
  border-radius: 10px;
  padding: 20px;
}

.feature-category h4 {
  font-size: 16px;
  color: var(--neon-blue);
  margin-bottom: 10px;
}

.feature-category p {
  font-size: 13px;
  color: var(--metallic-silver);
  line-height: 1.6;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-item {
  background: rgba(0, 212, 255, 0.05);
  border-radius: 10px;
  padding: 25px 15px;
  text-align: center;
  transition: all 0.3s ease;
}

.platform-item:hover {
  background: rgba(0, 212, 255, 0.1);
}

.platform-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 10px;
}

.platform-item span {
  display: block;
  font-size: 14px;
  color: var(--light-text);
  margin-bottom: 5px;
}

.platform-item small {
  font-size: 11px;
  color: var(--metallic-silver);
}

/* ========== 响应式调整 ========== */
@media (max-width: 1200px) {
  .tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .platform-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cases-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .value-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .tech-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-categories {
    grid-template-columns: 1fr;
  }
  
  .platform-grid {
    grid-template-columns: 1fr;
  }
  
  .cases-grid {
    grid-template-columns: 1fr;
  }
  
  .value-number {
    font-size: 36px;
  }
}

/* ========== 通用section ========== */
section {
  position: relative;
  z-index: 1;
}