html,
body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
body {
  overflow: hidden;
}
.register-container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  position: relative;
  overflow: hidden;
}
.register-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/imgs/register_bg.jpg') no-repeat center center;
  background-size: 100% 100%;
  z-index: 0;
}
.register-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  border-radius: 20px;
  padding: 40px 36px 20px;
  border-radius: 15px;
  background: linear-gradient(180deg, #3870E7 16.88%, rgba(237, 245, 255, 0.82) 100%);
  box-shadow: -12px 37px 45px 0px rgba(81, 78, 120, 0.18);
}
.logo-section {
  text-align: center;
  margin-bottom: 36px;
}
.logo-section img {
  width: 68px;
  height: 68px;
  margin-bottom: 12px;
}
.logo-section h2 {
  font-size: 22px;
  color: #FFFFFF;
  letter-spacing: 2px;
}
.change-title {
  text-align: center;
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 600;
  margin: 0 0 24px;
  letter-spacing: 2px;
}
.register-tabs {
  display: flex;
  padding-bottom: 16px;
}
.register-tabs .register-tab {
  flex: 1;
  text-align: center;
  padding: 10px;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  border-bottom: 2px solid #B9D7FF;
}
.register-tabs .register-tab:hover {
  color: #FFFFFF;
}
.register-tabs .register-tab.active {
  color: #FFFFFF;
  font-weight: 600;
  border-bottom: 2px solid #fff;
}
.register-panel {
  display: none;
}
.register-panel.active {
  display: block;
  animation: fadeIn 0.3s ease;
}
.form-item {
  position: relative;
  margin-bottom: 18px;
}
.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 5px;
  font-size: 16px;
  /* color: #C5C7CF; */
  background: #fff;
  transition: all 0.3s ease;
}
.form-input::placeholder {
  color: #C5C7CF;
  font-weight: 500;
  font-size: 14px;
}
.form-input:focus {
  outline: none;
}
.get-code-btn {
  flex-shrink: 0;
  width: 120px;
  height: 44px;
  padding: 0 16px;
  background: #5095F7;
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.get-code-btn.disabled:hover {
  background: #A0C8F5;
}
.next-btn {
  width: 100%;
  padding: 14px;
  background: #FFFFFF;
  color: #2A78F6;
  border: none;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  letter-spacing: 6px;
}
.next-btn:hover {
  background: #F0F0F0;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.next-btn:active {
  transform: translateY(0);
}
.next-btn.next-btn-secondary {
  background: #5095F7;
  color: #FFFFFF;
  letter-spacing: normal;
}
.login-link {
  text-align: center;
  padding-top: 14px;
  margin-top: 18px;
  font-size: 14px;
  font-weight: bold;
  color: #6982B8;
  border-top: 1.5px solid rgba(255, 255, 255, 0.75);
}
.login-link a {
  color: #5095F7;
  text-decoration: none;
  font-weight: 500;
}
.login-link a:hover {
  text-decoration: underline;
}
@media (max-width: 768px) {
  .register-card {
    margin: 20px;
    padding: 32px 24px;
  }
  .logo-section img {
    width: 48px;
    height: 48px;
  }
  .logo-section h2 {
    font-size: 20px;
  }
}
@media (max-width: 480px) {
  .register-card {
    margin: 16px;
    padding: 28px 20px;
  }
  .logo-section {
    margin-bottom: 28px;
  }
  .logo-section img {
    width: 42px;
    height: 42px;
  }
  .logo-section h2 {
    font-size: 18px;
  }
  .register-tabs {
    margin-bottom: 24px;
  }
  .form-input {
    padding: 12px 14px;
    font-size: 13px;
  }
  .captcha-image {

  }
  .next-btn {
    padding: 12px;
    font-size: 14px;
  }
}