.contact-us-section {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 280px;
  position: relative;
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/images/others/img89.webp") center/cover
    no-repeat;
  animation: fadeInUp 0.8s ease-out 1.6s both;
  /* width: 1920px; */
  margin: 0 auto;
  overflow: hidden;
}

/* 教育背景图 */
.page-education .contact-us-section {
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/server/education/education_us.webp")
    center/cover no-repeat;
}

.page-healthy .contact-us-section {
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/server/healthy/health_us.webp")
    center/cover no-repeat;
}

.page-biological .contact-us-section {
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/server/biological/biological_us.png")
    center/cover no-repeat;
}

.page-industry .contact-us-section {
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/server/industry/industry_us.webp")
    center/cover no-repeat;
}

.page-digital .contact-us-section {
  background: #f8f9fa url("https://rh-pc-public.oss-cn-beijing.aliyuncs.com/official-static/server/serve_us.webp") center/cover
    no-repeat;
}

.page-contact .contact-us-section {
  background: #f8f8f8;
}

.contact-us-submit-btn-2 {
  background: #ecbd69 !important;
}

.contact-us-submit-btn-3 {
  background: #09c648 !important;
}

.contact-us-submit-btn-4 {
  background: #23b8cd !important;
}

.contact-us-submit-btn-5 {
  background: #5f0c9c !important;
}

.contact-us-content {
  position: relative;
  z-index: 2;
  width: 1500px;
  margin: 0 auto; /* 修改这里：移除margin-left，改为auto居中 */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center; /* 确保子元素居中 */
  height: 100%;
}

.contact-us-section .contact-us-title {
  font-family: Microsoft YaHei;
  font-size: 36px;
  font-weight: 400;
  color: #fff;
  text-align: center;
  margin: 0 auto 40px auto;
  position: relative;
  animation: bounceIn 0.8s ease-out;
  display: block;
  width: 100%;
}

.contact-us-title-color {
  color: #333333 !important;
}

.contact-us-form {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  box-sizing: border-box;
  animation: fadeInUp 0.8s ease-out 0.8s both;
  margin: 0;
  padding-bottom: 20px;
}

.contact-us-form-row {
  width: 100%;
  display: flex;
  gap: 20px;
  justify-content: center;
  align-items: center;
  margin: 0;
  padding: 0;
}

.contact-us-form-group {
  flex: 0 0 auto;
  /* width: 400px; */
  margin: 0;
}

.contact-us-input {
  width: 400px;
  height: 56px;
  padding: 0 15px;
  font-size: 16px;
  font-family: Microsoft YaHei;
  border: 1px solid #dcdfe6;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  box-sizing: border-box;
  line-height: normal;
  margin: 0;
}

/* 输入框placeholder样式 */
.contact-us-input::placeholder {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 18px;
  color: #858585;
  line-height: normal;
  opacity: 1;
}

.contact-us-input:focus {
  outline: none;
  box-shadow: 0 4px 15px rgba(64, 158, 255, 0.3);
  transform: translateY(-2px);
  border-color: #409eff;
}

.contact-us-input:hover {
  box-shadow: 0 4px 15px rgba(64, 158, 255, 0.3);
  transform: translateY(-2px);
}

.contact-us-submit-btn {
  width: 240px;
  height: 56px;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 22px;
  color: #ffffff;
  background: #409eff;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: normal;
  margin: 0;
}

.contact-us-submit-btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.6s ease;
}

.contact-us-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(64, 158, 255, 0.4);
  background: #337ecc;
}

.contact-us-submit-btn:hover::before {
  left: 100%;
}

.contact-us-submit-btn:disabled {
  background: #a0cfff;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 1024px 响应式 */
@media (min-width: 48.0625rem) and (max-width: 64rem) {
  .contact-us-section {
    width: 1024px !important;
    height: 250px !important;
    margin: 0 auto;
  }

  .contact-us-content {
    width: 900px !important;
    margin: 0 auto !important; /* 修改这里：移除margin-left，改为auto居中 */
  }

  .contact-us-section .contact-us-title {
    font-size: 28px !important;
    margin-bottom: 30px !important;
  }

  .contact-us-form-row {
    gap: 12px !important;
    width: 100% !important;
    justify-content: center !important; /* 修改这里：确保内容居中 */
  }

  .contact-us-form-group {
    width: auto !important;
    flex: 1 !important;
    min-width: 0 !important;
  }

  .contact-us-input {
    width: 100% !important;
    height: 48px !important;
    font-size: 14px !important;
  }

  /* 输入框placeholder样式 */
  .contact-us-input::placeholder {
    font-size: 14px !important;
  }

  .contact-us-submit-btn {
    width: 160px !important;
    height: 48px !important;
    font-size: 16px !important;
    flex-shrink: 0 !important;
  }
}

/* 480px及以下的响应式 */
@media (max-width: 480px) {
  /* 响应式字体设置 */
  html {
    font-size: 16px;
  }
  .contact-us-section {
    width: 100%;
    height: auto;
    padding: 2rem 0;
  }

  .contact-us-content {
    width: 100%;
    margin-left: 0;
    padding: 0 1rem;
  }

  .contact-us-section .contact-us-title {
    font-size: 1.5rem !important;
    margin-bottom: 1.5rem;
  }

  .contact-us-form {
    width: 100%;
    padding-bottom: 0;
  }

  .contact-us-form-row {
    flex-direction: column;
    gap: 1rem;
    width: 100%;
  }

  .contact-us-form-group {
    width: 100%;
    display: flex;
    justify-content: center;
  }

  .contact-us-input {
    width: 370px !important;
    height: 3.5rem;
    font-size: 1.2rem !important;
  }

  /* 输入框placeholder字体大小 */
  .contact-us-input::placeholder {
    font-size: 1.2rem !important;
  }

  .contact-us-submit-btn {
    width: 370px !important;
    height: 3.5rem;
    font-size: 1.2rem !important;
  }
}

/* 375px及以下的响应式 */
@media (max-width: 375px) {
  /* 响应式字体设置 */
  html {
    font-size: 16px;
  }
  .contact-us-section {
    padding: 1.5rem 0;
  }

  .contact-us-content {
    padding: 0 0.5rem;
  }

  .contact-us-section .contact-us-title {
    font-size: 1.3rem !important;
    margin-bottom: 1.2rem;
  }

  .contact-us-form-row {
    gap: 0.8rem;
  }

  .contact-us-input {
    width: 300px !important;
    height: 3rem;
    font-size: 1.1rem !important;
  }

  /* 输入框placeholder字体大小 */
  .contact-us-input::placeholder {
    font-size: 1.1rem !important;
  }

  .contact-us-submit-btn {
    width: 300px !important;
    height: 3rem;
    font-size: 1.1rem !important;
  }
}

/* 确保在移动端输入框和按钮垂直排列且居中 */
@media (max-width: 480px) {
  /* 响应式字体设置 */
  html {
    font-size: 16px;
  }
  .contact-us-form-row .contact-us-form-group {
    width: 100%;
    max-width: 370px;
  }
}

@media (max-width: 375px) {
  /* 响应式字体设置 */
  html {
    font-size: 16px;
  }
  .contact-us-form-row .contact-us-form-group {
    max-width: 300px;
  }
}