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

body {
  font-family: "Microsoft YaHei", "Hiragino Sans GB", "WenQuanYi Micro Hei",
    sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

a {
  text-decoration: none;
  color: #333;
}

ul {
  list-style: none;
}

.section-title {
  text-align: center;
  margin-bottom: 50px;
  font-size: 32px;
  color: #2c7be5;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #2c7be5;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  background-color: #2c7be5;
  color: #fff;
  border-radius: 5px;
  font-weight: bold;
  transition: all 0.3s ease;
}

.btn:hover {
  background-color: #1a68d1;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 次要按钮样式 */
.btn-secondary {
  background-color: transparent;
  color: #2c7be5;
  border: 2px solid #2c7be5;
  margin-left: 15px;
}

.btn-secondary:hover {
  background-color: #2c7be5;
  color: #fff;
}

/* 英雄区域按钮容器 */
.hero-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* 导航栏 */
header {
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: 8px; /* 添加圆角效果 */
}

.logo h1 {
  font-size: 24px;
  color: #2c7be5;
  font-weight: bold;
  white-space: nowrap;
}

nav ul {
  display: flex;
  flex-wrap: nowrap;
}

nav ul li {
  margin-left: 40px;
}

nav ul li a {
  font-weight: bold;
  padding: 10px 0;
  position: relative;
  transition: all 0.3s ease;
  white-space: nowrap;
}

nav ul li a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: #2c7be5;
  transition: all 0.3s ease;
}

nav ul li a:hover {
  color: #2c7be5;
}

nav ul li a:hover::after {
  width: 100%;
}

/* 菜单按钮样式 */
.menu-toggle {
  display: none;
  cursor: pointer;
  font-size: 24px;
  color: #2c7be5;
  transition: all 0.3s ease;
}

.menu-toggle.active {
  color: #1a68d1;
}

/* 语言切换按钮样式 */
.language-switch {
  display: flex;
  align-items: center;
  margin-left: 30px;
}

.lang-btn {
  background: none;
  border: 1px solid #2c7be5;
  color: #2c7be5;
  padding: 8px 15px;
  margin-left: 5px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.3s ease;
  white-space: nowrap;
  min-width: 50px;
  height: 36px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-btn:hover {
  background-color: #2c7be5;
  color: #fff;
}

.lang-btn.active {
  background-color: #2c7be5;
  color: #fff;
}

/* 移动端导航样式 */
@media (max-width: 768px) {
  .logo-img {
    width: 32px;
    height: 32px;
    border-radius: 6px; /* 移动端圆角稍小一些 */
  }

  .logo h1 {
    font-size: 20px;
  }

  .menu-toggle {
    display: block;
  }

  .language-switch {
    margin-left: 10px;
  }

  .lang-btn {
    padding: 4px 8px;
    font-size: 11px;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
  }

  nav.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  nav ul {
    flex-direction: column;
    padding: 20px 0;
  }

  nav ul li {
    margin: 0;
    border-bottom: 1px solid #eee;
  }

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

  nav ul li a {
    display: block;
    padding: 15px 20px;
    text-align: center;
  }

  nav ul li a::after {
    display: none;
  }

  nav ul li a:hover {
    background-color: #f5f5f5;
  }
}

/* 滚动效果 */
header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 主页横幅 */
.hero {
  height: 100vh;
  background-image: linear-gradient(
      rgba(44, 123, 229, 0.7),
      rgba(103, 114, 229, 0.7)
    ),
    url("../images/hero-bg.jpg");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,128L48,149.3C96,171,192,213,288,224C384,235,480,213,576,181.3C672,149,768,107,864,112C960,117,1056,171,1152,186.7C1248,203,1344,181,1392,170.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

.hero-content h2 {
  font-size: 48px;
  margin-bottom: 20px;
  text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.3);
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
}

/* 服务项目 */
.services {
  padding: 100px 0;
  background-color: #fff;
}

/* 服务页面横幅 */
.services-hero {
  height: 60vh;
  background-image: linear-gradient(
      rgba(44, 123, 229, 0.8),
      rgba(103, 114, 229, 0.8)
    ),
    url("../images/hero-bg.jpg");
}

/* 功能详情样式 */
.feature-details {
  margin-top: 20px;
  text-align: left;
}

.feature-details ul {
  list-style: none;
  padding: 0;
}

.feature-details li {
  padding: 8px 0;
  position: relative;
  padding-left: 20px;
  color: #666;
  font-size: 14px;
}

.feature-details li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #2c7be5;
  font-weight: bold;
}

/* 特色服务卡片 */
.service-card.featured {
  border: 2px solid #2c7be5;
  transform: scale(1.05);
  box-shadow: 0 15px 30px rgba(44, 123, 229, 0.2);
}

.service-card.featured::before {
  background: linear-gradient(90deg, #2c7be5, #ff6b00);
}

/* 流程步骤样式 */
.process-steps {
  margin-top: 30px;
}

.step {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  padding: 20px;
  background-color: #f9f9f9;
  border-radius: 10px;
  transition: all 0.3s ease;
}

.step:hover {
  background-color: #fff;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  transform: translateY(-5px);
}

.step-number {
  width: 80px;
  height: 50px;
  background: linear-gradient(135deg, #2c7be5, #6772e5);
  color: #fff;
  border-radius: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: bold;
  margin-right: 20px;
  flex-shrink: 0;
  white-space: nowrap;
}

.step-content h4 {
  color: #2c7be5;
  margin-bottom: 10px;
  font-size: 18px;
}

.step-content p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px; /* 减小卡片间距，让卡片更宽 */
}

.service-card {
  background-color: #f9f9f9;
  border-radius: 10px;
  padding: 30px 18px; /* 上下30px，左右18px，缩小左右内间距 */
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
  display: flex; /* 使用 flexbox 布局 */
  flex-direction: column; /* 垂直排列 */
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, #2c7be5, #6772e5);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.service-card:hover::before {
  transform: scaleX(1);
}

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

.service-icon i {
  font-size: 50px;
  color: #2c7be5;
  font-style: normal !important;
  text-align: center;
  display: block;
  line-height: 1;
  vertical-align: middle;
}

.service-card h3 {
  margin-bottom: 15px;
  font-size: 22px;
  min-height: 66px; /* 最小高度，确保标题区域对齐 (约3行高度) */
  line-height: 1.5; /* 设置行高 */
  display: -webkit-box; /* 使用 webkit-box 布局 */
  -webkit-box-orient: vertical; /* 垂直方向 */
  -webkit-line-clamp: 3; /* 最多显示3行 */
  overflow: hidden; /* 隐藏溢出内容 */
}

.service-card p {
  flex-grow: 1; /* 让段落占据剩余空间，推动 article-meta 到底部 */
}

.service-card.animated {
  opacity: 1;
  transform: translateY(0);
}

.service-card:nth-child(2) {
  transition-delay: 0.2s;
}

.service-card:nth-child(3) {
  transition-delay: 0.4s;
}

.service-card:nth-child(4) {
  transition-delay: 0.6s;
}

/* 二维码样式 */
.qr-code-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.qr-code {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

.qr-code img {
  width: 150px;
  height: 150px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.qr-code img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.qr-code p {
  font-size: 14px;
  color: #666;
  margin: 0;
  font-weight: 500;
}

/* 关于我们 */
.about {
  padding: 100px 0;
  background-color: #f9f9f9;
  position: relative;
  overflow: hidden;
}

.about::after {
  content: "";
  position: absolute;
  right: 0;
  top: 0;
  width: 300px;
  height: 300px;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"%3E%3Cpath fill="%232C7BE5" fill-opacity="0.05" d="M31.9,63.5c-36.3,36.3-42,92.8-12.9,121.9s85.6,23.3,121.9-12.9c36.3-36.3,42-92.8,12.9-121.9S68.2,27.2,31.9,63.5z"%3E%3C/path%3E%3C/svg%3E');
  background-repeat: no-repeat;
  opacity: 0.5;
  z-index: 1;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.about-text {
  text-align: left;
}

.about-text .section-title {
  text-align: left;
}

.about-text .section-title::after {
  left: 0;
  transform: none;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.8;
}

.about-image {
  height: 400px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

/* 我们的优势 */
.advantages {
  padding: 100px 0;
  background-color: #fff;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
}

.advantage-card {
  text-align: center;
  padding: 30px;
  border-radius: 10px;
  background-color: #f9f9f9;
  transition: all 0.3s ease;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.advantage-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #2c7be5;
  border-radius: 10px;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
  color: #fff;
}

.advantage-card:hover::before {
  opacity: 1;
}

.advantage-card:hover .advantage-icon i {
  color: #fff;
}

.advantage-icon {
  margin-bottom: 20px;
}

.advantage-icon i {
  font-size: 50px;
  color: #2c7be5;
  transition: all 0.3s ease;
  font-style: normal !important;
  text-align: center;
  display: block;
  line-height: 1;
  vertical-align: middle;
}

.advantage-card h3 {
  margin-bottom: 15px;
  font-size: 22px;
}

.advantage-card.animated {
  opacity: 1;
  transform: translateY(0);
}

.advantage-card:nth-child(2) {
  transition-delay: 0.2s;
}

.advantage-card:nth-child(3) {
  transition-delay: 0.4s;
}

.advantage-card:nth-child(4) {
  transition-delay: 0.6s;
}

/* 客户评价 */
.testimonials {
  padding: 100px 0;
  background-color: #f9f9f9;
}

.testimonial-slider {
  max-width: 800px;
  margin: 0 auto;
}

.testimonial-item {
  padding: 30px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  margin-bottom: 30px;
  transition: all 0.3s ease;
}

.testimonial-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content p {
  font-style: italic;
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  padding-left: 30px;
}

.testimonial-content p::before {
  content: '"';
  font-size: 60px;
  color: #2c7be5;
  position: absolute;
  left: 0;
  top: -15px;
  font-family: Georgia, serif;
  opacity: 0.5;
}

.client-info h4 {
  font-size: 18px;
  margin-bottom: 5px;
  color: #2c7be5;
}

.client-info p {
  color: #666;
  font-size: 14px;
}

/* 技术展示部分 */
.tech-showcase {
  padding: 100px 0;
  background-color: #fff;
  position: relative;
  overflow: hidden;
}

.tech-showcase::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 300px;
  height: 300px;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"%3E%3Cpath fill="%232C7BE5" fill-opacity="0.05" d="M31.9,63.5c-36.3,36.3-42,92.8-12.9,121.9s85.6,23.3,121.9-12.9c36.3-36.3,42-92.8,12.9-121.9S68.2,27.2,31.9,63.5z"%3E%3C/path%3E%3C/svg%3E');
  background-repeat: no-repeat;
  opacity: 0.5;
  z-index: 1;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 2;
}

.tech-item {
  background-color: #f9f9f9;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.tech-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tech-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.tech-item h3 {
  padding: 20px 20px 10px;
  font-size: 20px;
  color: #2c7be5;
}

.tech-item p {
  padding: 0 20px 20px;
  color: #666;
}

.tech-item.animated {
  opacity: 1;
  transform: translateY(0);
}

.tech-item:nth-child(2) {
  transition-delay: 0.2s;
}

.tech-item:nth-child(3) {
  transition-delay: 0.4s;
}

.tech-item:nth-child(4) {
  transition-delay: 0.6s;
}

/* 联系我们 */
.contact {
  padding: 100px 0;
  background-color: #fff;
}

.contact-container {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 50px;
}

.contact-info {
  background: linear-gradient(135deg, #2c7be5, #6772e5);
  color: #fff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.info-item {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}

.info-item i {
  font-size: 24px;
  margin-right: 15px;
  font-style: normal !important;
  line-height: 1;
  vertical-align: middle;
}

.contact-form {
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 16px;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: #2c7be5;
  outline: none;
  box-shadow: 0 0 5px rgba(44, 123, 229, 0.3);
}

.form-group textarea {
  height: 150px;
  resize: none;
}

/* 页脚 */
footer {
  background: linear-gradient(135deg, #212529, #343a40);
  color: #fff;
  padding: 50px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo h3 {
  font-size: 24px;
  margin-bottom: 10px;
  color: #fff;
}

.footer-links h4,
.footer-social h4 {
  font-size: 18px;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
  color: #fff;
}

.footer-links h4::after,
.footer-social h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 2px;
  background-color: #2c7be5;
}

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

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

.footer-links ul li a:hover {
  color: #fff;
  padding-left: 5px;
}

.social-icons {
  display: flex;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: #343a40;
  border-radius: 50%;
  margin-right: 10px;
  transition: all 0.3s ease;
}

.social-icons a:hover {
  background-color: #2c7be5;
  transform: translateY(-5px);
}

.social-icons i {
  font-size: 20px;
  color: #fff;
  font-style: normal !important;
  line-height: 1;
  vertical-align: middle;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #444;
  color: #bbb;
}

/* 响应式设计 */
@media screen and (max-width: 991px) {
  .about-content {
    grid-template-columns: 1fr;
  }

  .contact-container {
    grid-template-columns: 1fr;
  }

  .hero-content h2 {
    font-size: 36px;
  }

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

@media screen and (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  header .container {
    flex-direction: column;
    text-align: center;
  }

  nav ul {
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
    flex-direction: column;
  }

  nav ul li {
    margin: 10px 0;
  }

  .about-image {
    height: 300px;
  }

  .hero-content h2 {
    font-size: 30px;
  }

  .hero-content p {
    font-size: 16px;
  }
}

@media screen and (max-width: 576px) {
  .service-grid,
  .advantage-grid,
  .tech-grid {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-links h4::after,
  .footer-social h4::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .social-icons {
    justify-content: center;
  }

  .hero-content h2 {
    font-size: 24px;
  }
}

/* 数据统计 */
.stats {
  background: linear-gradient(135deg, #2c7be5, #6772e5);
  padding: 80px 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.stats-title {
  color: #fff;
  margin-bottom: 50px;
}

.stats-title::after {
  background-color: #ff6b00;
}

.stats::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml;charset=utf8,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"%3E%3Cpath fill="%23ffffff" fill-opacity="0.05" d="M0,160L48,165.3C96,171,192,181,288,181.3C384,181,480,171,576,149.3C672,128,768,96,864,106.7C960,117,1056,171,1152,181.3C1248,192,1344,160,1392,144L1440,128L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"%3E%3C/path%3E%3C/svg%3E');
  background-position: center bottom;
  background-repeat: no-repeat;
  background-size: cover;
  z-index: 1;
}

.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  transition: all 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-10px);
}

.stat-icon {
  margin-bottom: 20px;
}

.stat-icon i {
  font-size: 50px;
  background: rgba(255, 255, 255, 0.1);
  width: 100px;
  height: 100px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-style: normal !important;
  line-height: 1;
  vertical-align: middle;
}

.stat-number {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 10px;
}

.stat-title {
  font-size: 18px;
  opacity: 0.8;
}

/* 添加元素的动画效果 */
.service-card,
.advantage-card,
.tech-item,
.stat-item {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.service-card.animated,
.advantage-card.animated,
.tech-item.animated,
.stat-item.animated {
  opacity: 1;
  transform: translateY(0);
}

/* 为不同元素设置不同的延迟 */
.service-card:nth-child(2),
.advantage-card:nth-child(2),
.tech-item:nth-child(2),
.stat-item:nth-child(2) {
  transition-delay: 0.2s;
}

.service-card:nth-child(3),
.advantage-card:nth-child(3),
.tech-item:nth-child(3),
.stat-item:nth-child(3) {
  transition-delay: 0.4s;
}

.service-card:nth-child(4),
.advantage-card:nth-child(4),
.tech-item:nth-child(4),
.stat-item:nth-child(4) {
  transition-delay: 0.6s;
}

/* 公司名称样式 */
.company-name {
  color: #ff6b00;
  margin-right: 4px;
  font-weight: 700;
}

/* ICP备案信息样式 */
.icp-info {
  margin-top: 10px;
  font-size: 14px;
}

.icp-info a {
  color: #999;
  transition: all 0.3s ease;
}

.icp-info a:hover {
  color: #fff;
}

/* 下载按钮样式 */
.download-buttons {
  margin-top: 25px;
}

.download-buttons .btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 25px;
  background: linear-gradient(135deg, #2c7be5, #6772e5);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(44, 123, 229, 0.3);
}

.download-buttons .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44, 123, 229, 0.4);
  background: linear-gradient(135deg, #1e6fd8, #5a65d8);
}

.download-buttons .btn i {
  font-size: 20px;
  font-style: normal !important;
  line-height: 1;
  vertical-align: middle;
}

/* 下载页面响应式设计 */
@media (max-width: 768px) {
  .download-buttons .btn {
    padding: 12px 20px;
    font-size: 14px;
  }

  .download-buttons .btn i {
    font-size: 16px;
    font-style: normal !important;
    line-height: 1;
    vertical-align: middle;
  }

  .qr-code {
    padding: 20px;
  }

  .qr-code img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }
}

/* 行业观察页面样式 */
.article-meta {
  margin-top: auto; /* 自动推到底部 */
  padding-top: 15px; /* 与上方内容保持间距 */
  display: grid;
  grid-template-columns: 1fr 1fr; /* 两列布局 */
  gap: 10px 20px; /* 行间距10px，列间距20px */
  color: #666;
}

.publish-date,
.read-time {
  display: flex;
  flex-direction: column; /* 垂直排列 */
  align-items: flex-start;
  gap: 4px; /* 标签与值之间的间距 */
}

.meta-label {
  font-size: 11px;
  color: #999;
  font-weight: 500;
  letter-spacing: 0.3px;
  display: flex;
  align-items: center;
  gap: 4px; /* emoji 与文字的间距 */
}

.publish-date .meta-label::before {
  content: "📅"; /* 日历 emoji */
  font-size: 13px;
}

.read-time .meta-label::before {
  content: "⏱️"; /* 计时器 emoji */
  font-size: 13px;
}

.meta-value {
  font-size: 13px;
  color: #666;
  font-weight: 400;
}

.tech-insights {
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.insight-item {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.insight-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.insight-item h4 {
  color: #2c7be5;
  font-size: 18px;
  margin-bottom: 12px;
  font-weight: 600;
}

.insight-item p {
  color: #666;
  line-height: 1.6;
  margin: 0;
}

/* 行业观察页面响应式设计 */
@media (max-width: 768px) {
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .insight-item {
    padding: 15px;
  }

  .insight-item h4 {
    font-size: 16px;
  }
}