/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: #333333;
  background-color: #ffffff;
  overflow-x: hidden;
  letter-spacing: -0.01em;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: #2980b9;
  transition: all 0.3s ease;
}

a:hover {
  color: #2980b9;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: contain;
  border-radius: 12px;
  /* box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15); */
}
/* 减少section之间的间距 */
section {
  padding: 40px 0; /* 减少默认的上下内边距 */
}
/* 确保所有section之间有一致的间距 */
section + section {
  margin-top: -20px; /* 使用负边距进一步减少间距 */
}
.section-header {
  text-align: center;
  margin-bottom: 60px;
  position: relative;
  z-index: 2;
}

.section-header h2 {
  font-size: 3.2rem;
  margin-bottom: 15px;
  color: #222222;
  position: relative;
  display: inline-block;
  font-weight: 800;
}

.section-header h2:after {
  content: '';
  position: absolute;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #9c27b0, #00bcd4);
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 3px;
}

.section-header p {
  font-size: 1.1rem;
  color: #666666;
  max-width: 700px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  cursor: pointer;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

.btn-primary {
  background: #000000;
  color: white;
}

.btn-primary:hover {
  background: #222222;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.btn-secondary {
  background: white;
  color: #3498db;
  border: 2px solid #3498db;
}

.btn-secondary:hover {
  background: #f8f9fa;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

.btn-download {
  background: #000000;
  color: white;
  padding: 14px 30px;
  font-size: 1rem;
  font-weight: 700;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-download:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  border-radius: 30px;
  z-index: -2;
}

.btn-download:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
  z-index: -1;
}

.btn-download:hover {
  color: #fff;
}

.btn-download:hover:before {
  width: 100%;
}

/* 头部样式 */
.header {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 1.8rem;
  color: #333333;
  font-weight: 700;
}

.nav ul {
  display: flex;
}

.nav ul li {
  margin-left: 30px;
}

.nav ul li a {
  color: #555555;
  font-weight: 600;
  position: relative;
}

.nav ul li a:after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #9c27b0, #00bcd4);
  bottom: -5px;
  left: 0;
  transition: width 0.3s ease;
}

.nav ul li a:hover:after {
  width: 100%;
}
/* Logo样式 */
.logo {
  display: flex;
  align-items: center;
  gap: 10px; /* 图片和文字之间的间距 */
}

.logo-image {
  height: 50px; /* 根据实际需要调整高度 */
  width: auto;
  display: block;
  border-radius: 8px; /* 可选：添加圆角 */
}

/* 英雄区域样式 */
.hero {
  padding: 60px 0 100px;
  background: #ffffff; /* 从渐变改为纯白色 */
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

/* 英雄区域双图片样式 */
.hero-image-container {
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
}

/* 英雄区域图片旋转效果 */
.hero-img-left {
  transform: perspective(1000px) rotateY(-8deg) rotateX(2deg) rotateZ(-2deg);
  transition: transform 0.5s ease;
}

.hero-img-right {
  transform: perspective(1000px) rotateY(8deg) rotateX(2deg) rotateZ(2deg);
  transition: transform 0.5s ease;
}

.hero-img-left:hover, .hero-img-right:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0) rotateZ(0);
}

.hero:before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: linear-gradient(135deg, rgba(46, 204, 113, 0.1), rgba(52, 152, 219, 0.1));
  border-radius: 50%;
  top: -150px;
  right: -150px;
}

.hero:after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
  border-radius: 50%;
  bottom: -100px;
  left: -100px;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
  padding-right: 50px;
}

.hero-content h2 {
  font-size: 4.2rem;
  margin-bottom: 25px;
  color: #000000;
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-content p {
  font-size: 1.4rem;
  color: #555555;
  margin-bottom: 40px;
  max-width: 90%;
}

.hero-buttons {
  display: flex;
  gap: 15px;
}

.hero-image {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-image img {
  /* transform: perspective(1000px) rotateY(-15deg) rotateX(5deg) rotateZ(-1deg); */
  /* box-shadow: 25px 60px 125px -25px rgba(80, 102, 144, 0.1), 16px 32px 32px -16px rgba(0, 0, 0, 0.1); */
  border-radius: 24px;
  transition: transform 0.5s ease;
}

.hero-image img:hover {
  transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) rotateZ(0deg);
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-20px);
  }
  100% {
    transform: translateY(0px);
  }
}

/* 功能特性样式 */
.features {
  padding: 30px 0;
  background-color: #ffffff;
  position: relative;
  z-index: 1;
}

.features:before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  right: 0;
  height: 100px;
  background: #ffffff; /* 从渐变改为纯白色 */
  z-index: -1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.feature-card {
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  transition: all 0.4s ease;
  border: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.1) 0%, rgba(0, 188, 212, 0.1) 100%);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
  border-radius: 50%;
}

.feature-icon i {
  font-size: 2rem;
  background: linear-gradient(135deg, #9c27b0, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: #333333;
}

.feature-card p {
  color: #666666;
}

/* 应用展示样式 */
.app-showcase {
  padding: 120px 0;
  background: #ffffff; /* 从渐变改为纯白色 */
  position: relative;
  overflow: hidden;
}

.app-showcase:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(0,0,0,0.01), rgba(0,0,0,0.1), rgba(0,0,0,0.01));
}

.app-showcase .container {
  display: flex;
  align-items: center;
  gap: 50px;
}

.showcase-content {
  flex: 1;
}

.showcase-content h2 {
  font-size: 2.5rem;
  margin-bottom: 20px;
  color: #333333;
}

.showcase-content p {
  font-size: 1.1rem;
  color: #666666;
  margin-bottom: 30px;
}

.showcase-features {
  margin-bottom: 30px;
}

.showcase-features li {
  margin-bottom: 15px;
  display: flex;
  align-items: center;
}

.showcase-features li i {
  margin-right: 10px;
  color: #00bcd4;
}

.showcase-images {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}

.showcase-images:before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(52, 152, 219, 0.05);
  border-radius: 50%;
  z-index: -1;
  top: -50px;
  right: -100px;
}

.showcase-images img {
  border-radius: 16px;
  /* box-shadow: 25px 60px 125px -25px rgba(80, 102, 144, 0.1), 16px 32px 32px -16px rgba(0, 0, 0, 0.1); */
  transition: all 0.4s ease;
  transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
}

.showcase-images img:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0);
}

/* 数据库样式 */
.database {
  padding: 120px 0;
  background-color: #ffffff;
  position: relative;
  z-index: 1;
}

.database:before {
  content: '';
  position: absolute;
  top: -50px;
  left: 0;
  right: 0;
  height: 100px;
  background: #ffffff; /* 从渐变改为纯白色 */
  z-index: -1;
}

.database:after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background: radial-gradient(circle at 5% 95%, rgba(156, 39, 176, 0.03) 0%, transparent 40%),
              radial-gradient(circle at 95% 15%, rgba(0, 188, 212, 0.03) 0%, transparent 40%);
  z-index: -1;
}

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

.database-info {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 30px;
}

.database-stat {
  flex: 1;
  min-width: 150px;
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
  border-radius: 20px;
  padding: 35px 25px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.database-stat:hover {
  transform: translateY(-15px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.1) 0%, rgba(0, 188, 212, 0.1) 100%);
}

.database-stat h3 {
  font-size: 3rem;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #9c27b0, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
  line-height: 1;
  position: relative;
  display: inline-block;
}

.database-stat p {
  color: #666666;
  font-size: 1.1rem;
  font-weight: 500;
  position: relative;
}

.database-image {
  flex: 1;
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: center;
  align-items: center;
}

.database-image:before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  background: rgba(156, 39, 176, 0.05);
  border-radius: 50%;
  z-index: -1;
  bottom: -50px;
  left: -100px;
  animation: pulse 8s infinite ease-in-out;
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 0.5;
  }
}

.database-image img {
  border-radius: 20px;
  /* box-shadow: 25px 60px 125px -25px rgba(80, 102, 144, 0.15), 16px 32px 32px -16px rgba(0, 0, 0, 0.1); */
  transform: perspective(1000px) rotateY(5deg) rotateX(-2deg);
  transition: all 0.5s ease;
  max-width: 90%;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.database-image img:hover {
  transform: perspective(1000px) rotateY(0) rotateX(0) scale(1.05);
  /* box-shadow: 30px 70px 140px -30px rgba(80, 102, 144, 0.2), 20px 40px 45px -20px rgba(0, 0, 0, 0.15); */
}

/* 准确度样式 */
.accuracy {
  padding: 120px 0;
  background:  #ffffff; /* 从渐变改为纯白色 */
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(0, 0, 0, 0.03);
  border-bottom: 1px solid rgba(0, 0, 0, 0.03);
}

.accuracy:before {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(52, 152, 219, 0.03);
  border-radius: 50%;
  top: -200px;
  right: -200px;
  z-index: 0;
}

.accuracy-content {
  display: flex;
  flex-direction: column;
  gap: 50px;
}

.accuracy-text {
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.03);
  position: relative;
  z-index: 2;
}

.accuracy-text p {
  font-size: 1.1rem;
  color: #555555;
  margin-bottom: 20px;
}

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

.accuracy-stats {
  display: flex;
  gap: 30px;
}

.accuracy-stat {
  flex: 1;
  background: #ffffff;
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.accuracy-stat:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #9c27b0, #00bcd4);
  opacity: 0;
  transition: all 0.3s ease;
}

.accuracy-stat:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.accuracy-stat:hover:before {
  opacity: 1;
}

.accuracy-stat h3 {
  font-size: 1.3rem;
  margin-bottom: 15px;
  color: #333333;
}

.accuracy-value {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #9c27b0, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* 下载样式 */
.download {
  padding: 120px 0;
  background-color: #ffffff;
  position: relative;
  z-index: 1;
}

.download:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 10% 10%, rgba(156, 39, 176, 0.03) 0%, transparent 60%), 
               radial-gradient(circle at 90% 90%, rgba(0, 188, 212, 0.03) 0%, transparent 60%);
  z-index: -1;
}

.download-options {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.download-option {
  flex: 1;
  min-width: 250px;
  max-width: 300px;
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.05) 0%, rgba(0, 188, 212, 0.05) 100%);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.03);
  transition: all 0.3s ease;
}

.download-option:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  background: linear-gradient(135deg, rgba(156, 39, 176, 0.1) 0%, rgba(0, 188, 212, 0.1) 100%);
}

.download-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(46, 204, 113, 0.1));
  border-radius: 50%;
}

.download-icon i {
  font-size: 2.5rem;
  background: linear-gradient(135deg, #9c27b0, #00bcd4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.download-option h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: #333333;
}

.download-option p {
  color: #666666;
  margin-bottom: 25px;
}

.qrcode-placeholder {
  width: 150px;
  height: 150px;
  margin: 0 auto;
  background: #f8f9fa;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #ddd;
}

.qrcode-placeholder i {
  font-size: 3rem;
  color: #aaa;
}

/* 页脚样式 */
.footer {
  background: #222222;
  color: #ffffff;
  padding: 80px 0 30px;
  position: relative;
  z-index: 1;
}

.footer:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #9c27b0, #00bcd4);
  z-index: 2;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-info {
  flex: 2;
  min-width: 300px;
}

.footer-info h3 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: #ffffff;
}

.footer-info p {
  color: #aaaaaa;
  margin-bottom: 20px;
  max-width: 400px;
}

.footer-links {
  flex: 1;
  min-width: 150px;
}

.footer-links h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: #ffffff;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  color: #aaaaaa;
  transition: all 0.3s ease;
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
  color: #aaaaaa;
  font-size: 0.9rem;
}

/* 页脚分隔符 */
.footer-divider {
  margin: 0 8px;
  color: #888888;
}

/* 响应式样式 */
@media (max-width: 992px) {
  .hero .container,
  .app-showcase .container,
  .database-content {
    flex-direction: column;
  }

  .hero-content,
  .showcase-content {
    padding-right: 0;
    margin-bottom: 50px;
  }

  .hero-content h2 {
    font-size: 3rem;
  }

  .section-header h2 {
    font-size: 2.5rem;
  }

  .accuracy-stats {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-wrap: wrap;
  }

  .nav {
    order: 3;
    width: 100%;
    margin-top: 20px;
  }

  .nav ul {
    justify-content: center;
  }

  .nav ul li {
    margin: 0 15px;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .showcase-images {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 30px;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .download-options {
    flex-direction: column;
    align-items: center;
  }

  .download-option {
    width: 100%;
  }
}

/* 个性化服务部分样式 */
.personalized-content {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.personalized-text {
  flex: 1;
  min-width: 300px;
}

.personalized-text h3 {
  margin-bottom: 20px;
  color: #333;
  font-size: 24px;
}

.personalized-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.personalized-features-grid .feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  padding: 15px;
  border-radius: 8px;
  background-color: #f8f9fa;
  transition: transform 0.3s, box-shadow 0.3s;
}

.personalized-features-grid .feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.personalized-features-grid .feature-item i {
  font-size: 24px;
  color: #4a6cf7;
  margin-top: 5px;
}

.personalized-features-grid .feature-details h4 {
  margin-bottom: 8px;
  font-size: 18px;
  color: #333;
}

.personalized-features-grid .feature-details p {
  color: #666;
  font-size: 14px;
  line-height: 1.5;
}

.personalized-image {
  flex: 1;
  min-width: 300px;
  position: relative;
}

.personalized-image img {
  width: 100%;
  border-radius: 10px;
  /* box-shadow: 0 15px 30px rgba(0,0,0,0.15); */
}

.image-caption {
  text-align: center;
  margin-top: 15px;
  color: #666;
  font-style: italic;
}

/* 添加剂信息卡部分样式 */
.additive-card-showcase {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
}

.additive-card-image {
  flex: 1;
  min-width: 300px;
  position: relative;
  overflow: hidden;
  border-radius: 10px;
}

.additive-card-image img {
  width: 100%;
  display: block;
  transition: transform 0.5s;
}

.additive-card-image:hover img {
  transform: scale(1.05);
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.6);
  color: white;
  padding: 15px;
  text-align: center;
  font-weight: 500;
}

.additive-card-details {
  flex: 1;
  min-width: 300px;
}

.additive-card-details h3 {
  margin-bottom: 20px;
  color: #333;
  font-size: 24px;
}

.additive-card-features {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 30px;
}

.feature-column {
  flex: 1;
  min-width: 240px;
}

.additive-card-features .feature-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  padding: 15px;
  border-radius: 8px;
  background-color: #f8f9fa;
  transition: transform 0.3s, box-shadow 0.3s;
}

.additive-card-features .feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.additive-card-features .feature-item i {
  font-size: 24px;
  color: #4a6cf7;
  margin-top: 5px;
}

.additive-card-features .feature-item h4 {
  margin-bottom: 8px;
  font-size: 18px;
  color: #333;
}

.additive-card-features .feature-item p {
  color: #666;
  font-size: 14px;
  line-height: 1.5;
}

/* 图片展示相关样式 */
.image-gallery {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  /* box-shadow: 0 10px 20px rgba(0,0,0,0.1); */
  transition: transform 0.3s ease;
}

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

.gallery-item img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.image-caption {
  text-align: center;
  padding: 10px;
  background-color: rgba(255, 255, 255, 0.9);
  color: #333;
  font-size: 14px;
  font-weight: 500;
}

.image-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0,0,0,0.6);
  color: white;
  padding: 10px;
  text-align: center;
  font-weight: 500;
  font-size: 14px;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .personalized-content, 
  .additive-card-showcase {
    flex-direction: column;
  }
  
  .personalized-image {
    order: -1;
    margin-bottom: 30px;
  }
  
  .personalized-features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-column {
    width: 100%;
  }
  .image-gallery {
    grid-template-columns: 1fr;
  }
  
  .gallery-item {
    margin-bottom: 15px;
  }
  .hero {
    padding-top: 20px;
    margin-top: -10px;
  }
}