:root {
  --primary-color: #0f4c75;
  --secondary-color: #2e8b57;
  --accent-color: #f39c12;
  --text-dark: #2c3e50;
  --text-medium: #5a6c7d;
  --text-light: #7f8c8d;
  --bg-light: #fafbfc;
  --bg-section: #f8f9fa;
  --border-color: #e8ecef;
  --white: #ffffff;
  --shadow-light: 0 2px 8px rgba(15, 76, 117, 0.08);
  --shadow-medium: 0 4px 16px rgba(15, 76, 117, 0.12);
  --border-radius: 12px;
  --border-radius-large: 16px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial,
    sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--white);
  font-size: 16px;
  font-weight: 400;
}

/* 导航栏样式 */
header {
  background-color: var(--white);
  border-bottom: 1px solid var(--border-color);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo img {
  height: 48px;
  width: auto;
  border-radius: 8px;
}

.logo span {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-color);
  letter-spacing: -0.02em;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

nav ul li a {
  text-decoration: none;
  color: var(--text-medium);
  padding: 0.75rem 1.25rem;
  transition: all 0.2s ease;
  border-radius: 8px;
  font-weight: 500;
  font-size: 15px;
}

nav ul li a:hover {
  color: var(--primary-color);
  background-color: rgba(15, 76, 117, 0.05);
}

nav ul li a.active {
  color: var(--primary-color);
  background-color: rgba(15, 76, 117, 0.1);
  font-weight: 600;
}

/* 汉堡菜单 */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  transition: background-color 0.2s ease;
}

.menu-toggle:hover {
  background-color: rgba(15, 76, 117, 0.05);
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  margin: 3px 0;
  transition: all 0.2s;
  border-radius: 2px;
}

/* 横幅样式 */
.banner {
  background: linear-gradient(
      135deg,
      rgba(15, 76, 117, 0.9),
      rgba(46, 139, 87, 0.8)
    ),
    url("https://imageb2c.sdslyygroup.com:9030/b2b2cdevimages/seller/goods/upUDvmor5GdW2vrjQhx.jpg?bindId=8");
  background-size: cover;
  background-position: center;
  height: 650px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  margin-top: 85px;
  position: relative;
}

.banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 76, 117, 0.1);
  backdrop-filter: blur(0.5px);
}

.banner-content {
  max-width: 900px;
  padding: 0 2rem;
  position: relative;
  z-index: 1;
}

.banner h1 {
  font-size: 3.2rem;
  margin-bottom: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.banner p {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  line-height: 1.5;
  opacity: 0.95;
  font-weight: 400;
}

.banner-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 0.875rem 2rem;
  border: none;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  border: 2px solid var(--primary-color);
}

.btn-primary:hover {
  background: transparent;
  color: white;
  border-color: white;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: white;
  border: 2px solid white;
}

.btn-outline:hover {
  background: white;
  color: var(--primary-color);
  transform: translateY(-1px);
}

/* 主要内容区域 */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 区块样式 */
.section-padding {
  padding: 6rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
  position: relative;
  color: var(--text-dark);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--text-medium);
  font-size: 1.125rem;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.section-title::after {
  content: "";
  width: 60px;
  height: 3px;
  background: var(--primary-color);
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  border-radius: 2px;
}

/* 特色服务部分 */
.features-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.feature-card {
  background: var(--white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.2s ease;
  position: relative;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(15, 76, 117, 0.15);
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 1.5rem;
  background: rgba(15, 76, 117, 0.1);
  border-radius: var(--border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.feature-icon i {
  font-size: 1.75rem;
  color: var(--primary-color);
}

.feature-card h3 {
  font-size: 1.375rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
  font-weight: 600;
}

.feature-card p {
  color: var(--text-medium);
  line-height: 1.6;
  font-size: 15px;
}

/* 产品网格样式 */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}

.product-item {
  background: var(--white);
  border-radius: var(--border-radius-large);
  overflow: hidden;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.product-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
  border-color: rgba(15, 76, 117, 0.15);
}

.product-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.product-content {
  padding: 1.75rem;
}

.product-item h3 {
  margin-bottom: 0.75rem;
  color: var(--text-dark);
  font-size: 1.25rem;
  font-weight: 600;
}

.product-item p {
  color: var(--text-medium);
  font-size: 14px;
  line-height: 1.5;
}

/* 统计数据样式 */
.stats-section {
  background: var(--bg-section);
  padding: 6rem 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 3rem;
  margin-top: 4rem;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.stat-card {
  padding: 2rem;
  background: var(--white);
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-light);
}

.stat-number {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.stat-label {
  color: var(--text-medium);
  font-size: 1rem;
  font-weight: 500;
}

/* 关于我们预览 */
.about-preview {
  background: var(--white);
  padding: 4rem 3rem;
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  margin: 4rem 0;
  text-align: center;
}

.about-preview h2 {
  margin-bottom: 2rem;
  color: var(--text-dark);
  font-size: 2rem;
  font-weight: 600;
}

.about-preview p {
  color: var(--text-medium);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  font-size: 15px;
}

/* 页脚样式 */
footer {
  background: var(--text-dark);
  color: var(--white);
  padding: 4rem 0 1.5rem;
  margin-top: 6rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 3rem;
}

.footer-section h3 {
  margin-bottom: 1.5rem;
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
}

.footer-section p,
.footer-section li {
  margin-bottom: 0.75rem;
  color: #b8c5d1;
  font-size: 14px;
  line-height: 1.5;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: #b8c5d1;
  text-decoration: none;
  transition: color 0.2s;
}

.footer-section a:hover {
  color: var(--white);
}

.copyright {
  text-align: center;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid #374151;
  color: #9ca3af;
  font-size: 13px;
}

/* 通用工具类 */
.text-center {
  text-align: center;
}

.bg-light {
  background-color: var(--bg-light);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 动画类 */
.animate-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

.animate-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-fade-right {
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.4s ease;
}

.animate-fade-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 页面头部样式 */
.page-header {
  background: linear-gradient(
    135deg,
    var(--primary-color) 0%,
    var(--secondary-color) 100%
  );
  color: var(--white);
  padding: 8rem 0 4rem;
  text-align: center;
  margin-top: 85px;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="20" cy="20" r="1" fill="white" opacity="0.1"/><circle cx="80" cy="40" r="1" fill="white" opacity="0.1"/><circle cx="40" cy="80" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>')
    repeat;
  opacity: 0.3;
}

.page-header .container {
  position: relative;
  z-index: 1;
}

.page-title {
  font-size: 2.75rem;
  margin-bottom: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.breadcrumb {
  font-size: 1rem;
  opacity: 0.9;
  font-weight: 400;
}

.breadcrumb a {
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.2s ease;
}

.breadcrumb a:hover {
  opacity: 0.8;
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--white);
    flex-direction: column;
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
  }

  nav ul.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }

  .banner {
    height: 550px;
    margin-top: 85px;
  }

  .banner h1 {
    font-size: 2.25rem;
  }

  .banner p {
    font-size: 1.125rem;
  }

  .banner-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .section-padding {
    padding: 4rem 0;
  }

  .logo span {
    font-size: 1.5rem;
  }

  .logo img {
    height: 40px;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
  }

  .page-title {
    font-size: 2.25rem;
  }

  .about-preview {
    padding: 3rem 2rem;
  }

  main {
    padding: 0 1rem;
  }

  .container {
    padding: 0 1rem;
  }

  .features-container {
    padding: 0 1rem;
  }
}

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

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

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  .btn {
    padding: 0.75rem 1.5rem;
    font-size: 14px;
    min-width: 120px;
  }
}

/* 关于我们页面专属样式 */

/* 确保关于页面布局正确 */
.page-header + main {
  margin-top: 0;
}

/* 修复可能的布局问题 */
main {
  position: relative;
  z-index: 1;
}

/* 公司简介部分 - 重新设计 */
.company-intro {
  background: linear-gradient(135deg, var(--bg-section) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
  min-height: 600px;
  clear: both;
}

.company-intro::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(
    circle,
    rgba(15, 76, 117, 0.05) 0%,
    transparent 70%
  );
  border-radius: 50%;
  transform: translate(50%, -50%);
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.intro-content {
  position: relative;
}

.intro-content .section-title {
  text-align: left;
  position: relative;
  margin-bottom: 2rem;
}

.intro-content .section-title::after {
  left: 0;
  transform: none;
}

.intro-content p {
  color: var(--text-medium);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 16px;
  position: relative;
  padding-left: 1.5rem;
}

.intro-content p::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
}

.intro-image {
  position: relative;
}

.intro-image::before {
  content: "";
  position: absolute;
  top: -20px;
  left: -20px;
  right: 20px;
  bottom: 20px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  border-radius: var(--border-radius-large);
  z-index: -1;
}

.intro-image img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--border-radius-large);
  box-shadow: var(--shadow-medium);
}

/* 统计数据卡片 */
.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.intro-stat-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border-radius: var(--border-radius-large);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.intro-stat-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--primary-color),
    var(--secondary-color)
  );
}

.intro-stat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-medium);
}

.intro-stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.intro-stat-label {
  color: var(--text-medium);
  font-size: 14px;
  font-weight: 500;
}

/* 发展历程 - 现代化设计 */
.timeline-section {
  position: relative;
  background: var(--white);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(
    180deg,
    var(--primary-color),
    var(--secondary-color)
  );
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin: 4rem 0;
  display: flex;
  align-items: flex-start;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-year {
  width: 100px;
  height: 100px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--secondary-color)
  );
  color: var(--white);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 25px rgba(15, 76, 117, 0.3);
  border: 4px solid var(--white);
}

.timeline-content {
  flex: 1;
  background: var(--white);
  padding: 2.5rem;
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  margin: 0 3rem;
  position: relative;
  box-shadow: var(--shadow-light);
  transition: all 0.3s ease;
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-medium);
}

.timeline-content::before {
  content: "";
  position: absolute;
  top: 2rem;
  width: 0;
  height: 0;
  border: 12px solid transparent;
}

.timeline-item:nth-child(odd) .timeline-content::before {
  left: -24px;
  border-right-color: var(--white);
}

.timeline-item:nth-child(even) .timeline-content::before {
  right: -24px;
  border-left-color: var(--white);
}

.timeline-content h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 600;
  position: relative;
}

.timeline-content h3::after {
  content: "";
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--accent-color);
  border-radius: 2px;
}

.timeline-content p {
  color: var(--text-medium);
  line-height: 1.7;
  font-size: 15px;
}

/* 企业资质 - 卡片重设计 */
.qualifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.qualification-card {
  background: var(--white);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.qualification-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.qualification-card:hover::before {
  transform: translateX(0);
}

.qualification-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(15, 76, 117, 0.15);
  border-color: rgba(15, 76, 117, 0.2);
}

.qualification-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  background: linear-gradient(
    135deg,
    rgba(15, 76, 117, 0.1),
    rgba(46, 139, 87, 0.1)
  );
  color: var(--primary-color);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
}

.qualification-icon::after {
  content: "";
  position: absolute;
  inset: 8px;
  border: 2px solid rgba(15, 76, 117, 0.2);
  border-radius: 12px;
  transition: all 0.3s ease;
}

.qualification-card:hover .qualification-icon::after {
  border-color: var(--primary-color);
}

.qualification-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.qualification-card p {
  color: var(--text-medium);
  line-height: 1.6;
  font-size: 15px;
}

/* 企业文化 - 现代化网格 */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2.5rem;
  margin-top: 4rem;
}

.culture-card {
  background: linear-gradient(135deg, var(--white) 0%, var(--bg-light) 100%);
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-large);
  border: 1px solid var(--border-color);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.culture-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100px;
  height: 100px;
  background: radial-gradient(
    circle,
    rgba(46, 139, 87, 0.1) 0%,
    transparent 70%
  );
  border-radius: 50%;
  transition: all 0.3s ease;
}

.culture-card:hover::before {
  transform: scale(2);
}

.culture-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(46, 139, 87, 0.15);
  border-color: rgba(46, 139, 87, 0.2);
}

.culture-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 2rem;
  background: linear-gradient(
    135deg,
    var(--secondary-color),
    var(--accent-color)
  );
  color: var(--white);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  position: relative;
  z-index: 1;
}

.culture-card h3 {
  color: var(--text-dark);
  margin-bottom: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  position: relative;
  z-index: 1;
}

.culture-card p {
  color: var(--text-medium);
  line-height: 1.7;
  font-size: 15px;
  position: relative;
  z-index: 1;
}

/* 关于页面响应式设计 */
@media (max-width: 1024px) {
  .intro-grid {
    gap: 3rem;
  }

  .intro-stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intro-image::before {
    top: -10px;
    left: -10px;
    right: 10px;
    bottom: 10px;
  }

  .intro-image img {
    height: 350px;
  }

  .intro-stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .timeline::before {
    left: 25px;
  }

  .timeline-item {
    flex-direction: row !important;
    margin-left: 70px;
  }

  .timeline-year {
    width: 80px;
    height: 80px;
    font-size: 1.25rem;
    position: absolute;
    left: -110px;
  }

  .timeline-content {
    margin: 0;
    margin-left: 1.5rem;
  }

  .timeline-content::before {
    display: none;
  }

  .qualifications-grid,
  .culture-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .intro-content p {
    font-size: 15px;
  }

  .timeline-year {
    width: 60px;
    height: 60px;
    font-size: 1rem;
    left: -90px;
  }

  .qualification-card,
  .culture-card {
    padding: 2rem 1.5rem;
  }
}