/* 基础样式 */
.content {
  width: 100%;
  padding: 120px 0 40px 0;
}

.to-index-page {
  color: #1f2937;
  text-decoration: none;
}

nav ul li a {
  color: #1f2937;
}

.hero-image img {
  width: 130% !important;
  margin-top: -100px;
}

/* 响应式设计 - 英雄区 */
@media (max-width: 1024px) {
  .hero-section {
    flex-direction: column-reverse;
    text-align: center;
    gap: 30px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content h1 {
    font-size: 36px;
  }

  .hero-content p {
    font-size: 14px;
    margin-bottom: 24px;
  }

  .hero-image {
    max-width: 400px;
  }

  .demo-btn {
    padding: 14px 28px;
    font-size: 14px;
  }
}

@media (max-width: 768px) {
  .hero-section {
    gap: 24px;
  }

  .hero-content h1 {
    font-size: 32px;
  }

  .hero-content p {
    font-size: 13px;
    margin-bottom: 20px;
  }

  .hero-image {
    max-width: 350px;
  }

  .demo-btn {
    padding: 12px 24px;
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .hero-section {
    padding: 0 16px;
    gap: 20px;
  }

  .hero-content h1 {
    font-size: 24px;
  }

  .hero-content p {
    font-size: 12px;
    margin-bottom: 16px;
  }

  .hero-image {
    max-width: 280px;
  }

  .demo-btn {
    padding: 10px 20px;
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .hero-content h1 {
    font-size: 20px;
  }

  .hero-content p {
    font-size: 11px;
  }

  .hero-image {
    max-width: 240px;
  }

  .demo-btn {
    padding: 8px 16px;
    font-size: 11px;
  }
}

.parent-content {
  max-width: 1500px;
  margin: 120px auto 0;
  padding: 0 20px;
  text-align: center;
}

.parent-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333;
  margin-bottom: 24px;
}

.parent-content>p {
  font-size: 18px;
  color: #666;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 60px;
}

.parent-features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 100px;
  background-color: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.feature-content {
  flex: 1;
  max-width: 600px;
}
.feature-item {
    width: 100%;
    background-color: #ffffff;
    border-radius: 12px;
    padding: 20px 20px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-top: 10px;
    /* border-left: 4px solid #2563eb; */
}

.feature-item h3 {
    width: 100%;
    color: #1D2129;
    font-family: "PingFang SC";
    font-size: 20px;
    font-style: normal;
    font-weight: 500;
    line-height: 28px;
    /* 140% */
}

.feature-item p {
    margin-top: 10px;
    color: #595959;
    font-family: "PingFang SC";
    font-size: 16px;
    font-style: normal;
    font-weight: 400;
    line-height: 24px;
    /* 150% */
}


.feature-image {
  flex: 1;
}

.feature-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* 响应式设计 - 家长端功能介绍部分 */
@media (max-width: 1024px) {
  .parent-section {
    margin-top: 80px;
  }

  .parent-content h2 {
    font-size: 28px;
  }

  .parent-content>p {
    font-size: 14px;
    margin-bottom: 50px;
  }

  .parent-features {
    flex-direction: column-reverse;
    text-align: center;
    gap: 30px;
    padding: 32px;
  }

  .feature-content {
    max-width: 100%;
  }

  .feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .feature-content p {
    font-size: 12px;
  }

  .feature-image {
    max-width: 350px;
  }
}

@media (max-width: 768px) {
  .parent-section {
    margin-top: 60px;
  }

  .parent-content h2 {
    font-size: 24px;
  }

  .parent-content>p {
    font-size: 13px;
    margin-bottom: 40px;
  }

  .parent-features {
    gap: 24px;
    padding: 28px;
  }

  .feature-content h3 {
    font-size: 18px;
    margin-top: 24px;
  }

  .feature-content p {
    font-size: 14px;
  }

  .feature-image {
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .parent-section {
    padding: 0 16px;
    margin-top: 40px;
  }

  .parent-content h2 {
    font-size: 20px;
  }

  .parent-content>p {
    font-size: 12px;
    margin-bottom: 30px;
  }

  .parent-features {
    gap: 20px;
    padding: 20px;
  }

  .feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .feature-content p {
    font-size: 12px;
  }

  .feature-image {
    max-width: 240px;
  }
}

@media (max-width: 360px) {
  .parent-content h2 {
    font-size: 18px;
  }

  .parent-content>p {
    font-size: 11px;
  }

  .parent-features {
    padding: 16px;
  }

  .feature-content h3 {
    font-size: 14px;
    margin-top: 16px;
  }

  .feature-content p {
    font-size: 10px;
  }

  .feature-image {
    max-width: 200px;
  }
}

/* 教师端功能介绍部分 */
.teacher-section {
  max-width: 1500px;
  margin: 120px auto 0;
  padding: 0 20px;
}

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

.teacher-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333;
  margin-bottom: 24px;
}

.teacher-content>p {
  font-size: 18px;
  color: #666;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 60px;
}

.teacher-features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 120px;
  background-color: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.teacher-image {
  flex: 1;
}

.teacher-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

.teacher-feature-content {
  flex: 1;
  max-width: 600px;
}

.teacher-feature-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: #333;
  margin-bottom: 16px;
  margin-top: 28px;
}

.teacher-feature-content h3:first-child {
  margin-top: 0;
}

.teacher-feature-content p {
  font-size: 17px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 0;
}

/* 学校端功能介绍部分 */
.school-section {
  max-width: 1500px;
  margin: 120px auto 0;
  padding: 0 20px;
}

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

.school-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: #333;
  margin-bottom: 24px;
}

.school-content>p {
  font-size: 18px;
  color: #666;
  line-height: 1.6;
  margin: 0 auto 20px;
}

.school-features {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 120px;
  background-color: white;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-align: left;
}

.school-feature-content {
  flex: 1;
  max-width: 600px;
}

.school-feature-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: #333;
  margin-bottom: 16px;
  margin-top: 28px;
}

.school-feature-content h3:first-child {
  margin-top: 0;
}

.school-feature-content p {
  font-size: 17px;
  color: #666;
  line-height: 1.6;
  margin-bottom: 0;
}

.school-image {
  flex: 1;
}

.school-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* 响应式设计 - 教师端功能介绍部分 */
@media (max-width: 1024px) {
  .teacher-section {
    margin-top: 80px;
  }

  .teacher-content h2 {
    font-size: 28px;
  }

  .teacher-content>p {
    font-size: 14px;
    margin-bottom: 50px;
  }

  .teacher-features {
    flex-direction: column;
    text-align: center;
    gap: 30px;
    padding: 32px;
  }

  .teacher-image {
    max-width: 350px;
  }

  .teacher-feature-content {
    max-width: 100%;
  }

  .teacher-feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .teacher-feature-content p {
    font-size: 12px;
  }
}

@media (max-width: 768px) {
  .teacher-section {
    margin-top: 60px;
  }

  .teacher-content h2 {
    font-size: 24px;
  }

  .teacher-content>p {
    font-size: 13px;
    margin-bottom: 40px;
  }

  .teacher-features {
    gap: 24px;
    padding: 28px;
  }

  .teacher-image {
    max-width: 300px;
  }

  .teacher-feature-content h3 {
    font-size: 18px;
    margin-top: 24px;
  }

  .teacher-feature-content p {
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .teacher-section {
    padding: 0 16px;
    margin-top: 40px;
  }

  .teacher-content h2 {
    font-size: 20px;
  }

  .teacher-content>p {
    font-size: 12px;
    margin-bottom: 30px;
  }

  .teacher-features {
    gap: 20px;
    padding: 20px;
  }

  .teacher-image {
    max-width: 240px;
  }

  .teacher-feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .teacher-feature-content p {
    font-size: 12px;
  }
}

@media (max-width: 360px) {
  .teacher-content h2 {
    font-size: 18px;
  }

  .teacher-content>p {
    font-size: 11px;
  }

  .teacher-features {
    padding: 16px;
  }

  .teacher-image {
    max-width: 200px;
  }

  .teacher-feature-content h3 {
    font-size: 14px;
    margin-top: 16px;
  }

  .teacher-feature-content p {
    font-size: 10px;
  }
}

/* 响应式设计 - 学校端功能介绍部分 */
@media (max-width: 1024px) {
  .school-section {
    margin-top: 80px;
  }

  .school-content h2 {
    font-size: 28px;
  }

  .school-content>p {
    font-size: 14px;
    margin-bottom: 50px;
  }

  .school-features {
    flex-direction: column-reverse;
    text-align: center;
    gap: 30px;
    padding: 32px;
  }

  .school-feature-content {
    max-width: 100%;
  }

  .school-feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .school-feature-content p {
    font-size: 12px;
  }

  .school-image {
    max-width: 350px;
  }
}

@media (max-width: 768px) {
  .school-section {
    margin-top: 60px;
  }

  .school-content h2 {
    font-size: 24px;
  }

  .school-content>p {
    font-size: 13px;
    margin-bottom: 40px;
  }

  .school-features {
    gap: 24px;
    padding: 28px;
  }

  .school-feature-content h3 {
    font-size: 18px;
    margin-top: 24px;
  }

  .school-feature-content p {
    font-size: 14px;
  }

  .school-image {
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .school-section {
    padding: 0 16px;
    margin-top: 40px;
  }

  .school-content h2 {
    font-size: 20px;
  }

  .school-content>p {
    font-size: 12px;
    margin-bottom: 30px;
  }

  .school-features {
    gap: 20px;
    padding: 20px;
  }

  .school-feature-content h3 {
    font-size: 16px;
    margin-top: 20px;
  }

  .school-feature-content p {
    font-size: 12px;
  }

  .school-image {
    max-width: 240px;
  }
}

@media (max-width: 360px) {
  .school-content h2 {
    font-size: 18px;
  }

  .school-content>p {
    font-size: 11px;
  }

  .school-features {
    padding: 16px;
  }

  .school-feature-content h3 {
    font-size: 14px;
    margin-top: 16px;
  }

  .school-feature-content p {
    font-size: 10px;
  }

  .school-image {
    max-width: 200px;
  }
}