/* About Us 部分样式 */
#about-section {
  background-color: #0f1525;
  padding: 80px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.about-content {
  display: flex;
  flex-direction: row;
  gap: 50px;
  align-items: center;
}

.about-image-container {
  flex: 1;
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  height: 400px;
}

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

.about-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom right,
    rgba(20, 26, 44, 0.4),
    rgba(0, 0, 0, 0.2)
  );
  pointer-events: none;
}
.about-text {
  flex: 1;
  color: #ccd6f6;
}

.about-subtitle {
  font-size: 2rem;
  margin-bottom: 15px;
  color: #ccd6f6;
  font-weight: 500;
}

.text-divider {
  width: 60px;
  height: 3px;
  background: #c90101;
  margin-bottom: 25px;
  border-radius: 2px;
}

.about-description {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #ccd6f6;
  font-weight: 300;
}

.about-stats {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin: 10px 0;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: #c90101;
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.9rem;
  color: #a8b2d1;
  font-weight: 400;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .about-content {
    flex-direction: column;
  }

  .about-image-container {
    max-width: 100%;
    margin-bottom: 30px;
  }
}

@media (max-width: 768px) {
  #about-section {
    padding: 60px 0;
  }

  .about-subtitle {
    font-size: 1.8rem;
  }

  .about-description {
    font-size: 1rem;
  }

  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .about-stats {
    flex-direction: column;
    gap: 20px;
  }

  .stat-item {
    width: 100%;
  }
}

/* About FIRST 部分样式 */
#first-section {
  background-color: #121a28;
  padding: 80px 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

#first-section::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 40%;
  height: 100%;
  z-index: 1;
}

.first-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 2;
}

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

.first-image-container {
  position: relative;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  height: 200px;
  justify-self: center;
  max-width: 450px;
}

.first-image {
  height: 100%;
  transition: transform 0.5s ease;
  display: block;
}

.first-image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom left,
    rgba(20, 26, 44, 0.4),
    rgba(0, 0, 0, 0.2)
  );
  pointer-events: none;
}

.first-text {
  color: #ffffff;
}

.first-description {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #ccd6f6;
  font-weight: 300;
}

.first-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
  margin-bottom: 30px;
}

.first-button-container {
  margin-top: 30px;
  text-align: left;
}

.first-button {
  display: inline-block;
  padding: 12px 24px;
  background: #c90101;
  color: white;
  text-decoration: none;
  font-weight: 500;
  border-radius: 30px;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  margin-right: 10px;
  margin-bottom: 0;
}

.first-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.first-button:active {
  transform: translateY(-1px);
}

/* 响应式设计 */
@media (max-width: 992px) {
  .first-content {
    grid-template-columns: 1fr;
  }

  .first-image-container {
    grid-row: 1;
    max-width: 100%;
    margin-bottom: 30px;
  }

  .first-button-container {
    text-align: center;
  }

  #first-section::before {
    width: 70%;
  }
}

@media (max-width: 768px) {
  #first-section {
    padding: 60px 0;
  }

  .first-description {
    font-size: 1rem;
  }

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

  .first-button {
    margin-bottom: 15px;
    margin-right: 5px;
  }
}

@media (max-width: 480px) {
  .first-stats {
    grid-template-columns: 1fr;
  }

  .first-button {
    margin-bottom: 15px;
    display: block;
    width: 100%;
    text-align: center;
  }
}