* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Arial, sans-serif;
}

a {
  text-decoration: none !important;
}

body {
  max-width: 100%;
  overflow-x: hidden;
  background-color: #0f0f0f;
  color: #ffffff;
}

/* Header Styles */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 15px 0;
  transition: background-color 0.3s ease;
}

header.fixed {
  background-color: rgba(0, 0, 0, 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  display: flex;
  align-items: center;
}

.logo img {
  height: 30px;
  margin-right: 10px;
}

.logo-text {
  color: #3e80ff;
  font-weight: bold;
  font-size: 24px;
}

nav ul {
  display: flex;
  list-style: none;
}

nav li {
  margin-left: 30px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
  font-size: 16px;
  transition: color 0.3s ease;
}

nav a:hover {
  color: #3e80ff;
}

.dropdown i {
  font-size: 12px;
  margin-left: 5px;
}

/* 下拉菜单样式 */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: rgba(0, 0, 0, 0.9);
  border-radius: 4px;
  min-width: 200px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all 0.3s ease;
  z-index: 100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: block;
  padding: 10px 15px;
  color: #fff;
  font-size: 15px;
}

.dropdown-menu a:hover {
  background-color: rgba(62, 128, 255, 0.2);
  color: #3e80ff;
}

/* Hero Section */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('images/background.png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  padding: 80px 0;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  margin-bottom: 30px;
  font-weight: 700;
}

.text-white {
  color: #ffffff;
}

.text-blue {
  color: #3e80ff;
}

.hero p {
  max-width: 800px;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.btn-learn-more {
  display: inline-block;
  padding: 12px 30px;
  background-color: #3e80ff;
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.btn-learn-more:hover {
  background-color: #2c6bed;
}

/* Features Section */
.features-section {
  padding: 80px 0;
  background-color: #f5f9ff;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-tag {
  font-size: 1rem;
  color: #666;
  margin-bottom: 15px;
}

.section-title {
  font-size: 2.5rem;
  color: #222;
  line-height: 1.3;
  margin-bottom: 15px;
  font-weight: 700;
}

.highlight-container {
  display: flex;
  align-items: center;
}

.highlight-number {
  font-size: 3.5rem;
  color: #3e80ff;
  margin-right: 10px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 50px;
  max-width: 800px;
}

/* Features Slider */
.features-slider-container {
  position: relative;
  overflow: hidden;
  padding: 20px 0;
}

.features-slider {
  display: flex;
  transition: transform 0.5s ease;
  gap: 10px;
}

.feature-card {
  flex: 0 0 calc(33.333% - 20px);
  min-width: 300px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  padding: 20px;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-image {
  height: 200px;
  overflow: hidden;
  border-radius: 8px;
  margin-bottom: 20px;
}

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card h3 {
  font-size: 1.5rem;
  color: #222;
  margin-bottom: 10px;
}

.feature-highlight {
  color: #3e80ff;
  font-weight: 600;
  margin-bottom: 10px;
}

.feature-description {
  color: #666;
  line-height: 1.6;
}

/* Slider Controls */
.slider-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 40px;
}

.slider-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #ccc;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.dot.active {
  background-color: #3e80ff;
}

.slider-arrows {
  display: flex;
  gap: 15px;
}

.prev-arrow,
.next-arrow {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: #fff;
  border: 1px solid #eee;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}

.prev-arrow:hover,
.next-arrow:hover {
  background-color: #3e80ff;
  color: #fff;
}

/* Research Section */
.research-section {
  padding: 100px 0;
  background-color: #ffffff;
  color: #333;
}

.research-content {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 40px;
  position: relative;
}

.research-left {
  flex: 1;
  max-width: 60%;
  padding-right: 60px;
}

.research-right {
  flex: 1;
  max-width: 38%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  margin-top: 150px;
}

.research-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #222;
  margin-bottom: 25px;
  line-height: 1.2;
}

.research-intro {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 40px;
}

.research-link {
  color: #3e80ff;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.research-link:hover {
  text-decoration: underline;
}

.findings-container {
  margin-top: 40px;
}

.findings-header {
  position: relative;
  margin-bottom: 40px;
  display: flex;
  align-items: center;
}

.document-icon {
  position: relative;
  width: 40px;
  height: 40px;
  margin-right: 15px;
  flex-shrink: 0;
}

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

.findings-title {
  font-size: 1.8rem;
  font-weight: bold;
  color: #222;
  margin-bottom: 0;
}

.findings-list {
  display: flex;
  flex-direction: column;
  gap: 45px;
  width: 100%;
}

.finding-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.finding-bar {
  width: 8px;
  height: 100%;
  min-height: 50px;
  background-color: #3e80ff;
  border-radius: 4px;
  flex-shrink: 0;
}

.finding-text {
  font-size: 1.25rem;
  line-height: 1.5;
  color: #444;
  margin: 0;
  flex: 1;
  padding-top: 4px;
}

.lancet-visual {
  width: 100%;
  position: relative;
  margin-bottom: 60px;
  border-radius: 8px;
  overflow: hidden;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 0;
  float: none;
  z-index: 10;
}

.lancet-image {
  width: 100%;
  height: auto;
  display: block;
}

/* App Download Section */
.app-download {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 15px;
  width: fit-content;
  clear: both;
  padding-top: 40px;
}

.app-promo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.app-promo p {
  font-size: 1.2rem;
  color: #3e80ff;
  font-weight: bold;
  margin-top: 10px;
  margin-bottom: 0;
}

.app-image {
  width: 80px;
  height: 80px;
  margin-bottom: 8px;
}

.app-store-badge {
  max-width: 140px;
}

.app-store-badge img {
  width: 100%;
  height: auto;
  margin-left: 20px;
}

/* Animation Classes */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.active {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-up {
  transform: translateY(30px);
}

.fade-in-left {
  transform: translateX(-30px);
}

.fade-in-right {
  transform: translateX(30px);
}

/* Global Standard Section */
.global-standard-section {
  padding: 100px 0;
  background-color: #f5f9ff;
  color: #333;
}

.global-content {
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  align-items: center;
}

.global-left {
  flex: 0 0 40%;
  display: flex;
  justify-content: center;
}

.global-book-image {
  max-width: 100%;
  height: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
}

.global-right {
  flex: 0 0 calc(55% - 60px);
}

.global-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #222;
  margin-bottom: 25px;
  line-height: 1.2;
}

.global-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 20px;
}

.global-text:last-child {
  margin-bottom: 0;
}

/* Experts Section */
.experts-section {
  padding: 100px 0;
  background-color: #ffffff;
  color: #333;
  overflow: visible;
  position: relative;
}

.experts-content {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  min-height: 900px;
}

.experts-info {
  flex: 0 0 45%;
  padding-right: 30px;
  display: flex;
  flex-direction: column;
  height: auto;
  position: relative;
}

.experts-info-content {
  height: auto;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.experts-title {
  font-size: 2.5rem;
  font-weight: bold;
  color: #3e80ff;
  margin-bottom: 12px;
  line-height: 1.2;
}

.experts-title.second-title {
  margin-top: 40px;
}

.experts-subtitle {
  font-size: 1.8rem;
  font-weight: bold;
  color: #222;
  margin-bottom: 12px;
  line-height: 1.3;
}

.experts-text {
  font-size: 1.1rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 15px;
  max-width: 95%;
}

.learn-more-container {
  margin-top: 30px;
  text-align: center;
}

.journal-container {
  flex: 0 0 52%;
  display: flex;
  gap: 10px;
  height: 1300px;
  overflow: hidden;
  position: relative;
  margin-top: 0;
}

.journal-column {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.journal-wrapper {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 5px 0;
  position: relative;
  will-change: transform;
}

.journal-article {
  width: 100%;
  overflow: hidden;
  transition: box-shadow 0.5s ease;
  background-color: transparent;
  height: auto;
  margin-bottom: 0;
}

.journal-article:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
  z-index: 5;
}

.journal-image {
  width: 100%;
  height: auto;
  display: block;
}

/* 移除动画定义，改为由JavaScript控制 */
.journal-container:hover .journal-wrapper {
  /* JavaScript会处理暂停效果 */
}

/* Keep the fade-in-down class for initial animation */
.fade-in-down {
  transform: translateY(-30px);
}

/* Responsive Design */
@media (max-width: 1200px) {
  .research-content {
    flex-direction: column;
  }

  .research-left,
  .research-right {
    max-width: 100%;
    padding-right: 0;
  }

  .lancet-visual {
    margin-top: 60px;
    margin-bottom: 60px;
    float: none;
    max-width: 90%;
  }

  .global-content {
    flex-direction: column;
    gap: 15px;
  }

  .global-left,
  .global-right {
    flex: 0 0 100%;
  }

  .global-left {
    order: 1;
  }

  .global-right {
    order: 2;
  }

  .experts-content {
    flex-direction: column;
    gap: 15px;
    min-height: auto;
  }

  .experts-info {
    padding-right: 0;
  }

  .journal-container {
    order: 1;
  }

  .learn-more-container {
    margin-top: 30px;
    text-align: center;
  }

  .journal-article {
    height: 260px;
  }
}

@media (max-width: 768px) {
  body {
    background-color: #fff;
  }

  h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1rem;
  }

  nav ul {
    display: none;
  }

  .section-title {
    font-size: 2rem;
  }

  .highlight-number {
    font-size: 2.5rem;
  }

  .research-title {
    font-size: 2rem;
  }

  .findings-title {
    font-size: 1.5rem;
    padding-left: 0;
  }

  .finding-text {
    font-size: 1.1rem;
  }

  .findings-header {
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  .document-icon {
    position: relative;
    margin-bottom: 0;
    margin-right: 15px;
  }

  .findings-title {
    padding-left: 0;
    font-size: 1.5rem;
  }

  .app-download {
    gap: 10px;
    padding-top: 20px;
  }

  .global-title {
    font-size: 2rem;
  }

  .global-text {
    font-size: 1rem;
  }

  .global-standard-section {
    padding: 60px 0;
  }

  .experts-title {
    font-size: 2rem;
  }

  .experts-subtitle {
    font-size: 1.5rem;
  }

  .experts-text {
    font-size: 1rem;
    max-width: 100%;
  }

  .journal-container {
    height: 600px;
  }

  .journal-column {
    gap: 10px;
  }

  .journal-article {
    height: 220px;
  }

  .experts-content {
    min-height: auto;
  }

  /* Testimonials */
  .testimonials-section .section-title {
    font-size: 2rem;
    margin-bottom: 25px;
  }

  .testimonials-container {
    flex-direction: column;
  }

  .testimonial-image-container,
  .testimonials-info {
    flex: 0 0 100%;
  }

  .testimonial-stats {
    margin-top: 20px;
  }

  .testimonial-navigation {
    margin-top: 20px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .highlight-number {
    font-size: 2rem;
  }

  .slider-arrows {
    display: none;
  }

  .research-title {
    font-size: 1.8rem;
  }

  .global-title {
    font-size: 1.8rem;
  }

  .experts-title {
    font-size: 1.8rem;
  }

  .experts-subtitle {
    font-size: 1.3rem;
  }

  .journal-container {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 30px;
    height: auto;
    overflow: visible;
  }

  .journal-column {
    padding: 0;
    overflow: visible;
    margin-bottom: 30px;
    height: auto;
  }

  .journal-wrapper {
    gap: 15px;
    transform: none !important;
  }

  .journal-article {
    margin-bottom: 0;
    width: 100%;
    height: 200px;
  }

  .journal-image {
    width: 100%;
    height: auto;
    display: block;
  }

  .experts-content {
    min-height: auto;
  }

  /* Testimonials */
  .testimonials-section .section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .testimonial-image-container {
    padding: 15px;
  }

  .testimonials-info {
    padding: 20px 15px;
  }

  .testimonial-stats {
    flex-direction: column;
    gap: 15px;
  }

  .stat-item {
    width: 100%;
  }
}

/* Monthly Guide Section Styles */
.monthly-guide-section {
  padding: 100px 0;
  background: #ffffff;
  overflow: hidden;
}

.monthly-guide-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  gap: 60px;
  align-items: center;
  position: relative;
}

.monthly-guide-content::before {
  content: '';
  position: absolute;
  top: -100px;
  left: -200px;
  width: 100%;
  height: calc(100% + 200px);
  background: #4AAFED;
  transform: skewX(-45deg);
  transform-origin: top left;
  z-index: -1;
}

.guide-slides {
  position: relative;
  width: 100%;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  height: 800px;
}

.guide-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  display: flex;
  gap: 60px;
  align-items: center;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.guide-slide.active {
  opacity: 1;
  visibility: visible;
  position: relative;
  pointer-events: auto;
}

.guide-image {
  flex: 0 0 45%;
  position: relative;
  padding: 40px;
  border-radius: 12px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}


.guide-image::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #4AAFED;
  clip-path: polygon(0 0, 100% 100%, 0 100%);
}

.book-image {
  width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  transform: perspective(1000px) rotateY(0deg);
  transition: transform 0.5s ease;
}

.guide-info {
  flex: 0 0 50%;
  height: 100%;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 40px;
  padding-left: 0px;
}

.guide-title {
  font-size: 2.2rem;
  color: #333;
  margin-bottom: 15px;
  line-height: 1.3;
}

.guide-subtitle {
  font-size: 1.8rem;
  color: #111;
  margin-bottom: 20px;
  line-height: 1.4;
}

.guide-description {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 40px;
}

.guide-features {
  display: flex;
  overflow-y: scroll;
  gap: 10px;
  margin-bottom: 40px;
  scrollbar-width: none;
  /* Firefox */
  -ms-overflow-style: none;
  /* IE and Edge */
  background-color: transparent;
  padding-right: 10px;
}

.guide-features::-webkit-scrollbar {
  display: none;
  /* Chrome, Safari, Opera */
}

.feature-item {
  flex: 0 0 calc(50% - 10px);
  display: flex;
  gap: 15px;
  align-items: flex-start;
  background: #f8f9ff;
  padding: 20px;
  border-radius: 10px;
  transition: transform 0.3s ease;
}

.feature-item:hover {
  transform: translateY(-3px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon img {
  width: 40px;
  height: 40px;
  color: #3e80ff;
}

.feature-text h4 {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 5px;
}

.feature-text p {
  font-size: 0.95rem;
  color: #666;
  line-height: 1.5;
}

.guide-navigation {
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 40px;
  z-index: 30;
}

.nav-dots {
  display: flex;
  gap: 8px;
  z-index: 30;
}

.nav-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(62, 128, 255, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
  border: none;
}

.nav-dot.active {
  background: #3e80ff;
  transform: scale(1.2);
}

.nav-arrows {
  position: absolute;
  right: 40px;
  display: flex;
  gap: 15px;
  z-index: 30;
}

.nav-arrow {
  width: 40px;
  height: 40px;
  border: 2px solid #3e80ff;
  border-radius: 50%;
  background: #fff;
  color: #3e80ff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  z-index: 30;
  padding: 0;
  outline: none;
}

.nav-arrow:hover {
  background: #3e80ff;
  color: #fff;
}

.amazon-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #3e80ff;
  color: white;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.3s ease;
  margin-bottom: 30px;
}

.amazon-button:hover {
  background: #2c6bed;
  transform: translateY(-2px);
}

@media (max-width: 992px) {
  .guide-slides {
    height: 1100px;
  }

  .guide-slide.active {
    flex-direction: column;
    padding: 30px;
    gap: 15px;
  }

  .guide-image {
    flex: 0 0 40%;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    padding: 30px;
  }

  .guide-info {
    flex: 0 0 55%;
    text-align: center;
    height: auto;
  }

  .feature-item {
    flex: 0 0 100%;
  }
}

@media (max-width: 768px) {
  .guide-slides {
    height: 1050px;
  }

  .guide-slide {
    padding: 20px;
  }

  .guide-navigation {
    bottom: 20px;
    padding: 0 20px;
  }

  .nav-arrows {
    right: 20px;
  }

  .guide-image {
    padding: 20px;
  }

  .guide-title {
    font-size: 1.8rem;
  }

  .guide-subtitle {
    font-size: 1.4rem;
  }

  .feature-item {
    padding: 15px;
  }
}

@media (max-width: 480px) {
  .guide-slides {
    height: 1200px;
  }

  .guide-navigation {
    flex-direction: column;
    gap: 15px;
    bottom: 15px;
  }

  .nav-arrows {
    position: relative;
    right: auto;
  }

  .guide-features {
    gap: 15px;
  }

  .feature-item {
    flex-direction: row;
    align-items: center;
  }

  .feature-icon {
    width: 32px;
    height: 32px;
  }

  .feature-icon img {
    width: 18px;
    height: 18px;
  }
}

/* Testimonials Section */
.testimonials-section {
  padding: 100px 0;
  background: #f0f7ff;
  overflow: hidden;
}

.testimonials-section .section-title {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2.5rem;
  line-height: 1.2;
  font-weight: 700;
  color: #333;
}

.testimonials-container {
  position: relative;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  margin-top: 0;
}

.testimonial-content {
  display: flex;
  padding: 0;
  min-height: 600px;
}

.testimonial-left {
  flex: 0 0 45%;
  position: relative;
  overflow: hidden;
}

.testimonial-image {
  width: 80%;
  height: 350px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
  opacity: 0.85;
}

.testimonial-right {
  flex: 0 0 55%;
  padding: 60px;
  display: flex;
  flex-direction: column;
  padding-left: 20px !important;
}

.testimonial-title {
  font-size: 1.8rem;
  color: #111;
  margin-bottom: 20px;
  line-height: 1.3;
  transition: opacity 0.4s ease;
}

.testimonial-description {
  font-size: 1.1rem;
  color: #666;
  line-height: 1.6;
  margin-bottom: 40px;
  transition: opacity 0.4s ease;
}

.testimonial-stats {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 40px;
}

.stat-item {
  display: flex;
  align-items: baseline;
  gap: 15px;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.stat-bar {
  width: 4px;
  height: 40px;
  background-color: #3e80ff;
  border-radius: 2px;
  margin-right: 8px;
  flex-shrink: 0;
  align-self: center;
}

.stat-number {
  font-size: 1.2rem;
  font-weight: bold;
  color: #555;
  white-space: nowrap;
  font-style: italic;
}

.stat-text {
  font-size: 1.1rem;
  color: #555;
  line-height: 1.4;
}

.testimonial-navigation {
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 40px;
  z-index: 30;
}

/* Animation classes for testimonial changes */
.fade-out {
  opacity: 0;
  transform: translateY(10px);
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive design for testimonials */
@media (max-width: 992px) {
  .testimonials-section .section-title {
    font-size: 2.2rem;
    margin-bottom: 30px;
  }

  .testimonial-content {
    flex-direction: column;
    min-height: auto;
  }

  .testimonial-left {
    flex: 0 0 auto;
    height: 300px;
  }

  .testimonial-left-overlay {
    padding: 30px;
  }

  .testimonial-left-quote {
    font-size: 1.2rem;
    max-width: 100%;
  }

  .testimonial-right {
    flex: 0 0 auto;
    padding: 40px 30px 60px;
  }

  .testimonial-title {
    font-size: 1.8rem;
    text-align: center;
  }

  .testimonial-description {
    font-size: 1rem;
    text-align: center;
  }

  .testimonial-stats {
    align-items: center;
  }

  .stat-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 5px;
  }

  .stat-bar {
    width: 80px;
    height: 4px;
    margin-right: 0;
    margin-bottom: 8px;
  }
}

@media (max-width: 768px) {
  .testimonials-section {
    padding: 60px 0;
  }

  .testimonials-section .section-title {
    font-size: 2rem;
    margin-bottom: 25px;
  }

  .testimonial-left {
    height: 250px;
  }

  .testimonial-left-overlay {
    padding: 20px;
  }

  .testimonial-left-quote {
    font-size: 1rem;
  }

  .testimonial-right {
    padding: 30px 20px 60px;
  }

  .testimonial-navigation {
    bottom: 20px;
  }
}

@media (max-width: 480px) {
  .testimonial-left {
    height: 200px;
  }

  .testimonial-left-quote {
    font-size: 0.9rem;
  }

  .testimonial-title {
    font-size: 1.2rem;
  }

  .testimonial-description,
  .stat-text {
    font-size: 0.95rem;
  }

  .testimonial-navigation {
    flex-direction: column;
    gap: 15px;
    bottom: 15px;
  }

  .nav-arrows {
    position: relative;
    right: auto;
  }
}

.testimonial-left-overlay {
  position: absolute;
  bottom: 10%;
  left: 10%;
  padding: 40px;
  /* background: linear-gradient(to top, rgba(0, 0, 0, 0.75), rgba(0, 0, 0, 0.3) 60%, rgba(0, 0, 0, 0)); */
  color: #fff;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.testimonial-left-quote {
  font-size: 1.5rem;
  font-style: italic;
  line-height: 1.4;
  font-weight: 300;
  max-width: 100%;
  color: #333;
  transition: opacity 0.4s ease, transform 0.4s ease;
  background-color: #D8E5FFCC;
  padding: 15px;
  border-radius: 8px;
  position: relative;
}

.quote-author {
  display: block;
  font-size: 0.9rem;
  font-style: normal;
  font-weight: 500;
  color: #555;
  text-align: right;
  margin-top: 10px;
}

@media (max-width: 480px) {
  .testimonials-section .section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .testimonial-left {
    height: 200px;
  }
}

/* 医院合作伙伴部分 */
.partners-section {
  padding: 100px 0;
  background-color: #ffffff;
  overflow: hidden;
}

.partners-section .section-title {
  text-align: center;
  font-size: 2.8rem;
  line-height: 1.3;
  margin-bottom: 30px;
  font-weight: 700;
  color: #222;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.partners-section .highlight-number {
  color: #3e80ff;
  font-size: 3.2rem;
  font-weight: 800;
}

.partners-description {
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 60px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

.partners-container {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.partners-row {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.partners-slider {
  display: flex;
  gap: 5px;
  animation: slideLeft 30s linear infinite;
  width: max-content;
}

.partners-slider.reverse {
  animation: slideRight 30s linear infinite;
}

.partner-logo {
  flex: 0 0 auto;
  height: 80px;
  padding: 10px;
  /* box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.partner-logo:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.partner-logo img {
  max-width: 100%;
  max-height: 60px;
  object-fit: contain;
}

@keyframes slideLeft {
  0% {
    transform: translateX(0);
  }

  100% {
    transform: translateX(calc(-50% - 15px));
  }
}

@keyframes slideRight {
  0% {
    transform: translateX(calc(-50% - 15px));
  }

  100% {
    transform: translateX(0);
  }
}

.partners-row:hover .partners-slider {
  animation-play-state: paused;
}

/* 响应式调整 */
@media (max-width: 992px) {
  .partners-section .section-title {
    font-size: 2.4rem;
  }

  .partners-section .highlight-number {
    font-size: 2.8rem;
  }

  .partners-description {
    font-size: 1rem;
    margin-bottom: 40px;
  }

  .partners-container {
    gap: 10px;
  }

  .partner-logo {
    height: 70px;
  }

  .partner-logo img {
    max-height: 50px;
  }
}

@media (max-width: 768px) {
  .partners-section {
    padding: 60px 0;
  }

  .partners-section .section-title {
    font-size: 2rem;
  }

  .partners-section .highlight-number {
    font-size: 2.4rem;
  }

  .partners-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .partners-container {
    gap: 15px;
  }

  .partner-logo {
    height: 60px;
    padding: 8px;
  }

  .partner-logo img {
    max-height: 44px;
  }
}

@media (max-width: 480px) {
  .partners-section .section-title {
    font-size: 1.8rem;
  }

  .partners-section .highlight-number {
    font-size: 2.2rem;
  }

  .partners-description {
    font-size: 0.9rem;
    margin-bottom: 25px;
  }

  .partners-container {
    gap: 10px;
  }

  .partner-logo {
    height: 50px;
    padding: 6px;
  }

  .partner-logo img {
    max-height: 38px;
  }
}

/* 页脚样式 */
.footer {
  background-color: #f9fbff;
  padding: 80px 0 0;
  border-top: 1px solid #e5e9f2;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 60px;
  margin-bottom: 50px;
}

.footer-logo {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.footer-logo img {
  height: 40px;
  margin-right: 10px;
}

.footer-nav {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 15px;
}

.footer-nav-column {
  flex: 1;
  min-width: 200px;
}

.footer-nav-column h3 {
  color: #333;
  font-size: 1.2rem;
  margin-bottom: 20px;
  position: relative;
}

.footer-nav-column h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 30px;
  height: 2px;
  background-color: #3e80ff;
}

.footer-nav-column ul {
  list-style: none;
}

.footer-nav-column li {
  margin-bottom: 12px;
}

.footer-nav-column a {
  color: #666;
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 0.95rem;
}

.footer-nav-column a:hover {
  color: #3e80ff;
}

.footer-bottom {
  border-top: 1px solid #e5e9f2;
  padding: 30px 0;
}

.footer-bottom-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: #999;
  font-size: 0.9rem;
}
.copyright a:any-link {
  color: #999;
}

.footer-social {
  display: flex;
  gap: 15px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: #f0f2f5;
  color: #666;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background-color: #3e80ff;
  color: #fff;
  transform: translateY(-3px);
}

/* 响应式布局 */
@media (max-width: 992px) {
  .footer {
    padding: 60px 0 0;
  }

  .footer-container {
    flex-direction: column;
    gap: 15px;
  }

  .footer-logo {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .footer-nav {
    flex-direction: column;
    gap: 10px;
  }

  .footer-nav-column {
    width: 100%;
  }

  .footer-bottom-container {
    flex-direction: column;
    gap: 10px;
  }

  .copyright {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer {
    padding: 40px 0 0;
  }

  .footer-container {
    gap: 10px;
    margin-bottom: 30px;
  }

  .footer-nav {
    gap: 15px;
  }

  .footer-nav-column h3 {
    font-size: 1.1rem;
  }

  .footer-bottom {
    padding: 20px 0;
  }
}

/* Product Showcase Section Styles */
.product-showcase-section {
  padding: 80px 0;
  background: linear-gradient(180deg, #fff 0%, #f5f9ff 100%);
  position: relative;
  overflow: hidden;
}

.product-showcase-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/background.png');
  background-position: center;
  background-size: cover;
  opacity: 0.03;
  z-index: 0;
}

/* Product Showcase Styles */
.product-showcase {
  margin: 0 auto;
  background-color: #f0f7ff;
  padding: 60px 0;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  max-width: 1400px;
  box-shadow: 0 10px 40px rgba(62, 128, 255, 0.1);
}

.showcase-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.product-showcase::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background-color: rgba(62, 128, 255, 0.1);
  border-radius: 50%;
  z-index: 1;
}

.product-showcase::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 250px;
  height: 250px;
  background-color: rgba(62, 128, 255, 0.1);
  border-radius: 50%;
  z-index: 1;
}

.product-showcase .section-title {
  margin-bottom: 20px;
  position: relative;
  z-index: 2;
  color: #333;
  text-align: center;
}

.highlight-text {
  color: #2c6bed;
  font-weight: 700;
  position: relative;
  display: inline-block;
}

.highlight-text::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #2c6bed;
  border-radius: 3px;
}

.product-showcase-description {
  text-align: center;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #666;
  margin-bottom: 50px;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 2;
}

/* We're now using product-row.css for these styles */

/* 移动导航菜单 */
.mobile-menu-toggle {
  display: none;
  font-size: 24px;
  color: #fff;
  cursor: pointer;
}

@media (max-width: 992px) {
  .mobile-menu-toggle {
    display: block;
  }

  nav {
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease;
  }

  nav.active {
    max-height: 100vh;
    overflow-y: auto;
  }

  nav ul {
    flex-direction: column;
    padding: 20px;
  }

  nav li {
    margin: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  nav li:last-child {
    border-bottom: none;
  }

  nav a {
    display: block;
    padding: 15px 0;
  }

  .dropdown-menu {
    position: static;
    background-color: transparent;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .dropdown.active .dropdown-menu {
    max-height: 200px;
  }

  .dropdown-menu a {
    padding-left: 20px;
  }
}