/* 软件著作权详情页面样式 */
.software-detail-container {
  min-height: 100vh;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 40px 0;
}

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

.back-navigation {
  margin-bottom: 30px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  padding: 10px 20px;
  border-radius: 25px;
  background: white;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  font-size: 1.4rem;
}

.back-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  text-decoration: none;
  color: #667eea;
}

.icon-arrow-left::before {
  content: "←";
  font-size: 1.8rem;
}

.software-info {
  background: white;
  border-radius: 15px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.software-header {
  display: flex;
  gap: 15px;
  margin-bottom: 25px;
  flex-wrap: wrap;
  align-items: center;
}

.software-badge {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 600;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-certificate::before {
  content: "📜";
}

.software-version-badge {
  background: #27ae60;
  color: white;
  padding: 10px 18px;
  border-radius: 20px;
  font-weight: 500;
  font-size: 1.4rem;
}

.software-title {
  font-size: 3.7rem;
  font-weight: 700;
  color: #2c3e50;
  line-height: 1.3;
  margin-bottom: 30px;
}

.software-meta-info {
  display: flex;
  gap: 40px;
  padding: 20px 25px;
  background: #f8f9fa;
  border-radius: 10px;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.meta-label {
  font-size: 1.3rem;
  color: #7f8c8d;
  font-weight: 500;
}

.meta-value {
  font-size: 1.6rem;
  color: #2c3e50;
  font-weight: 600;
}

.software-description-section {
  border-top: 1px solid #ecf0f1;
  padding-top: 30px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 20px;
  position: relative;
  padding-left: 20px;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 36px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 2px;
}

.software-description {
  font-size: 1.6rem;
  line-height: 1.8;
  color: #555;
  text-align: justify;
}

.technical-features {
  background: white;
  border-radius: 15px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 25px;
}

.feature-card {
  display: flex;
  gap: 20px;
  padding: 25px;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-radius: 12px;
  transition: all 0.3s ease;
  border: 1px solid #e8ecef;
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: #667eea;
}

.feature-icon {
  font-size: 3.7rem;
  flex-shrink: 0;
}

.feature-content {
  flex: 1;
}

.feature-title {
  font-size: 1.7rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 10px;
}

.feature-text {
  font-size: 1.4rem;
  color: #7f8c8d;
  line-height: 1.6;
  margin: 0;
}

.software-certificates {
  background: white;
  border-radius: 15px;
  padding: 40px;
  margin-bottom: 40px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.certificates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 30px;
}

.certificate-item {
  text-align: center;
}

.certificate-image {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
  background: #f5f5f5;
}

.certificate-image:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.certificate-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: all 0.3s ease;
}

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

.image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: all 0.3s ease;
  color: white;
}

.certificate-image:hover .image-overlay {
  opacity: 1;
}

.icon-zoom-in::before {
  content: "🔍";
  font-size: 3rem;
  margin-bottom: 10px;
}

.image-overlay span {
  font-size: 1.4rem;
}

.certificate-label {
  margin-top: 15px;
  font-weight: 500;
  color: #2c3e50;
  font-size: 1.6rem;
}

.image-modal {
  display: none;
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  overflow: auto;
  transition: opacity 0.3s ease;
}

.modal-content {
  position: relative;
  margin: 5% auto;
  padding: 20px;
  width: 90%;
  max-width: 1000px;
  background: transparent;
}

.modal-content img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
}

.close-btn {
  position: absolute;
  top: -15px;
  right: 10px;
  color: white;
  font-size: 6rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.close-btn:hover {
  transform: scale(1.1);
  color: #667eea;
}

@media (max-width: 768px) {
  .software-title {
    font-size: 2.7rem;
  }

  .software-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .software-meta-info {
    flex-direction: column;
    gap: 20px;
  }

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

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

  .section-title {
    font-size: 1.8rem;
  }

  .close-btn {
    font-size: 5rem;
  }
}