:root {
  --primary-color: #0056b3;
  --secondary-color: #007bff;
  --accent-color: #00c9a7;
  --light-color: #f4f7fc;
  --dark-color: #343a40;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--light-color);
  color: #333;
}

header {
  background-color: var(--primary-color);
  color: white;
  padding: 15px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.logo-container img {
  height: 50px;
}

.logo-container h1 {
  margin: 0;
  font-size: 1.8em;
  font-weight: 700;
}

nav {
  display: flex;
  gap: 30px;
}

nav a {
  color: white;
  text-decoration: none;
  font-size: 1.1em;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 4px;
  transition: all 0.3s ease;
}

nav a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: white;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

nav a:hover::after {
  width: 80%;
}

.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: white;
  text-align: center;
  padding: 120px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,224L48,213.3C96,203,192,181,288,181.3C384,181,480,203,576,192C672,181,768,139,864,128C960,117,1056,139,1152,149.3C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: center bottom;
  opacity: 0.1;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero h2 {
  font-size: 3.5em;
  margin: 0 0 20px;
  font-weight: 800;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero p {
  font-size: 1.5em;
  margin-bottom: 40px;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  background-color: #fff;
  color: var(--primary-color);
  padding: 15px 40px;
  font-size: 1.2em;
  font-weight: bold;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  transition: left 0.5s;
}

.cta-button:hover::before {
  left: 100%;
}

.cta-button:hover {
  background-color: #f8f9fa;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.container {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

.section {
  margin-bottom: 80px;
}

.section-title {
  text-align: center;
  font-size: 2.5em;
  margin-bottom: 60px;
  color: var(--primary-color);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: var(--accent-color);
  border-radius: 2px;
}

.section-intro {
  text-align: center;
  font-size: 1.2em;
  line-height: 1.8;
  max-width: 900px;
  margin: 0 auto 40px;
  color: #555;
}

.feature {
  display: flex;
  align-items: flex-start;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-container {
  display: flex;
  justify-content: space-between;
  margin: 30px 0 20px;
}

.feature-item {
  flex: 1;
  margin: 0 20px;
  padding: 13px;
  border-radius: 8px;
  background-color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease;
}

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

.feature-icon {
  width: 35px;
  height: 35px;
  background-color: #f8f9fa;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.feature-txt {
  margin: 3px 0 5px;
  color: #202124;
  font-size: 18px;
  font-weight: 600;
}

.feature-desc {
  font-size: 14px;
  color: #5f6368;
}

.workflow {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-top: 50px;
  position: relative;
}

.workflow::before {
  content: '';
  position: absolute;
  top: 60px;
  left: 10%;
  right: 10%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
  z-index: 0;
}

.step {
  flex: 1;
  position: relative;
  min-width: 200px;
  text-align: center;
  padding: 0 15px;
  margin-bottom: 30px;
}

.step-icon {
  width: 120px;
  height: 120px;
  margin: 0 auto 20px;
  background-color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease;
}

.step:hover .step-icon {
  transform: scale(1.1);
}

.step-icon img {
  width: 60px;
  height: 60px;
}

.step-number {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 40px;
  height: 40px;
  background-color: var(--accent-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1.2em;
  box-shadow: 0 3px 10px rgba(0, 201, 167, 0.4);
}

.step p {
  font-size: 1.2em;
  font-weight: bold;
  color: var(--primary-color);
  margin-top: 15px;
}

.image-showcase {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 50px;
}

.showcase-item {
  flex: 1;
  min-width: 300px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

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

.showcase-item img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.showcase-caption {
  padding: 20px;
  background-color: white;
}

.showcase-caption h4 {
  color: var(--primary-color);
  margin-bottom: 10px;
}

footer {
  background-color: var(--dark-color);
  color: white;
  text-align: center;
  padding: 40px 20px;
  margin-top: 60px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  height: 40px;
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 30px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.footer-links a {
  color: #ccc;
  text-decoration: none;
  transition: color 0.3s;
}

.footer-links a:hover {
  color: white;
}

.copyright {
  margin-top: 30px;
  color: #999;
  font-size: 0.9em;
  text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .hero h2 {
    font-size: 2.8em;
  }

  .workflow::before {
    display: none;
  }

  .step {
    flex: 0 0 50%;
    margin-bottom: 40px;
  }
}

@media (max-width: 768px) {
  header {
    padding: 15px 20px;
    flex-direction: column;
    gap: 15px;
  }

  nav {
    gap: 15px;
  }

  .hero {
    padding: 80px 20px;
  }

  .hero h2 {
    font-size: 2.2em;
  }

  .hero p {
    font-size: 1.2em;
  }

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

  .step {
    flex: 0 0 100%;
  }
}

@media (max-width: 576px) {
  .logo-container h1 {
    font-size: 1.5em;
  }

  .hero h2 {
    font-size: 1.8em;
  }

  .cta-button {
    padding: 12px 30px;
    font-size: 1em;
  }
}

/* 第二版新添加样式 */
/* 按钮 - 半透明玻璃态效果 */
.header-btn {
  background: rgba(255, 255, 255, 0.25);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 15px 30px;
  font-size: 17px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  margin: 8px;
  overflow: hidden;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.35);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

.header-btn:active {
  transform: translateY(0);
  background: rgba(255, 255, 255, 0.3);
}

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

.about-text p {
  margin-bottom: 20px;
  color: #6b7280;
  font-size: 1.1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 25px;
  margin-top: 30px;
  margin-bottom: 100px;
}

.feature {
  display: flex;
  align-items: flex-start;
}

.feature h4 {
  margin-bottom: 5px;
  color: #1f2937;
}

.about-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s;
}

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

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

.product-card {
  background-color: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.product-img {
  height: 220px;
  overflow: hidden;
}

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

.product-card:hover .product-img img {
  transform: scale(1.1);
}

.product-info {
  padding: 25px;
}

.product-info h3 {
  font-size: 1.5rem;
  margin-bottom: 10px;
  color: #1f2937;
}

.product-info p {
  color: #6b7280;
  margin-bottom: 20px;
}

.product-features {
  list-style: none;
  margin-bottom: 20px;
}

.product-features li {
  margin-bottom: 8px;
  color: #6b7280;
}

.product-features li {
  margin-right: 8px;
}

.iconImg {
  width: 25px;
  height: 25px;
  margin-right: 15px;
  vertical-align: middle;
}

.primaryBtn {
  display: inline-block;
  background-color: var(--primary-color);
  color: #fff;
  padding: 8px 20px;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  margin: 0 auto;
}