/* 全局变量 */
:root {
  --primary-color: #165dff;
  --secondary-color: #ff7d00;
  --neutral-100: #f5f7fa;
  --neutral-200: #e4e7ed;
  --neutral-300: #c0c4cc;
  --neutral-400: #909399;
  --neutral-500: #606266;
  --neutral-600: #303133;
  --transition-time: 0.3s;
}

/* 辅助类 */
.container1 {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--neutral-600);
  text-align: center;
  margin-bottom: 60px;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--primary-color);
}

.btn {
  display: inline-block;
  padding: 10px 25px;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  border-radius: 5px;
  transition: background-color var(--transition-time);
  border: none;
  cursor: pointer;
}

.btn:hover {
  background-color: #0040c1;
}

.btn-secondary {
  background-color: var(--secondary-color);
}

.btn-secondary:hover {
  background-color: #e06c00;
}

/* 导航栏 */

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateY(0) translateX(-50%);
  }

  40% {
    transform: translateY(-20px) translateX(-50%);
  }

  60% {
    transform: translateY(-10px) translateX(-50%);
  }
}

/* 核心技术 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  background-color: white;
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-time),
    box-shadow var(--transition-time);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 25px rgba(22, 93, 255, 0.15);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background-color: rgba(22, 93, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  font-size: 1.5rem;
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--neutral-600);
}

.feature-description {
  color: var(--neutral-500);
}

/* 应用领域 */
.applications {
  background-color: var(--neutral-100);
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.application-card {
  background-color: white;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-time),
    box-shadow var(--transition-time);
}

.application-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(22, 93, 255, 0.1);
}

.application-image {
  height: 200px;
  overflow: hidden;
}

.application-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-time);
}

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

.application-content {
  padding: 25px;
}

.application-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--neutral-600);
}

.application-description {
  color: var(--neutral-500);
  font-size: 0.95rem;
}

/* 案例展示 */
.showcase {
  background-color: white;
}

.case-studies {
  display: flex;
  overflow-x: auto;
  gap: 30px;
  padding-bottom: 30px;
}

.case-studies::-webkit-scrollbar {
  height: 8px;
}

.case-studies::-webkit-scrollbar-track {
  background: var(--neutral-100);
  border-radius: 10px;
}

.case-studies::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 10px;
}

.case-card {
  min-width: 300px;
  max-width: 350px;
  background-color: var(--neutral-100);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
  transition: transform var(--transition-time),
    box-shadow var(--transition-time);
}

.case-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(22, 93, 255, 0.1);
}

.case-image {
  height: 200px;
  background-color: var(--primary-color);
  position: relative;
}

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

.case-content {
  padding: 25px;
}

.case-title {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--neutral-600);
}

.case-description {
  color: var(--neutral-500);
  font-size: 0.95rem;
  margin-bottom: 15px;
}

.case-cta {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  transition: color var(--transition-time);
}

.case-cta:hover {
  color: #0040c1;
}

.case-cta i {
  margin-left: 5px;
  transition: transform var(--transition-time);
}

.case-cta:hover i {
  transform: translateX(5px);
}

/* 技术优势 */
.advantages {
  background-color: var(--neutral-100);
}

.advantages-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.advantage-item {
  display: flex;
  gap: 20px;
}

.advantage-icon {
  min-width: 50px;
  height: 50px;
  background-color: rgba(22, 93, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.advantage-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--neutral-600);
}

.advantage-content p {
  color: var(--neutral-500);
}

/* 联系我们 */
.contact {
  background-color: white;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 25px;
}

.form-group label {
  display: block;
  margin-bottom: 10px;
  font-weight: 500;
  color: var(--neutral-600);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--neutral-200);
  border-radius: 5px;
  font-size: 1rem;
  transition: border-color var(--transition-time);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}
/* 响应式设计 */
@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

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

  .menu-toggle {
    display: block;
  }

  .advantages-list {
    grid-template-columns: 1fr;
  }

  .footer-content {
    text-align: center;
  }

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

/* 动画效果 */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* 自定义滚动条 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--neutral-100);
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #0040c1;
}