.page-login {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333;
  background-color: var(--background, #FFFFFF);
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-login__main-title {
  font-size: 3.2em;
  color: #017439;
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-login__hero-description {
  font-size: 1.2em;
  text-align: center;
  margin-bottom: 40px;
  color: #333333;
}

.page-login__highlight {
  color: #017439;
  font-weight: bold;
}

.page-login__hero-section {
  padding: var(--header-offset, 120px) 0 80px 0;
  background-color: #FFFFFF;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-login__hero-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  margin-top: 40px;
  border-radius: 10px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__login-card {
  background: #ffffff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  max-width: 450px;
  margin: 0 auto 40px auto;
  border: 1px solid #e0e0e0;
}

.page-login__card-title {
  font-size: 2em;
  color: #017439;
  margin-bottom: 30px;
  text-align: center;
}

.page-login__form-group {
  margin-bottom: 20px;
  text-align: left;
}

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #333333;
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 1em;
  box-sizing: border-box;
}

.page-login__form-options {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 25px;
}

.page-login__forgot-password {
  color: #017439;
  text-decoration: none;
  font-size: 0.95em;
}

.page-login__forgot-password:hover {
  text-decoration: underline;
}

.page-login__btn-submit {
  width: 100%;
  padding: 15px 20px;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  cursor: pointer;
  transition: background-color 0.3s ease;
  font-weight: bold;
}

.page-login__btn-submit:hover {
  opacity: 0.9;
}

.page-login__register-text {
  text-align: center;
  margin-top: 25px;
  font-size: 0.95em;
  color: #333333;
}

.page-login__register-link {
  font-weight: bold;
  text-decoration: none;
}

.page-login__register-link:hover {
  text-decoration: underline;
}

.page-login__section-title {
  font-size: 2.8em;
  color: #017439;
  text-align: center;
  margin-bottom: 25px;
  line-height: 1.2;
}

.page-login__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #333333;
}

.page-login__dark-section {
  background-color: #017439;
  color: #ffffff;
  padding: 80px 0;
}

.page-login__dark-section .page-login__section-title {
  color: #ffffff;
}

.page-login__dark-section .page-login__section-description {
  color: #f0f0f0;
}

.page-login__dark-section .page-login__highlight {
  color: #FFFF00;
}

.page-login__light-bg {
  background-color: #FFFFFF;
  color: #333333;
  padding: 80px 0;
}

.page-login__light-bg .page-login__highlight {
  color: #017439;
}

.page-login__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__benefit-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #eee;
}

.page-login__benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-login__benefit-icon {
  width: 100%;
  height: auto;
  max-width: 150px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  min-width: 200px;
  min-height: 133px;
}

.page-login__benefit-title {
  font-size: 1.5em;
  color: #017439;
  margin-bottom: 15px;
}

.page-login__benefit-text {
  font-size: 1em;
  color: #555555;
}

.page-login__guide-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-login__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__step-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  border: 1px solid #eee;
}

.page-login__step-title {
  font-size: 1.4em;
  color: #017439;
  margin-bottom: 15px;
}

.page-login__step-text {
  font-size: 1em;
  color: #555555;
}

.page-login__link {
  color: #017439;
  text-decoration: none;
}

.page-login__link:hover {
  text-decoration: underline;
}

.page-login__guide-image {
  width: 100%;
  max-width: 900px;
  height: auto;
  margin-top: 50px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__feature-item {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  border: 1px solid #eee;
}

.page-login__feature-icon {
  width: 100%;
  height: auto;
  max-width: 180px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  min-width: 200px;
  min-height: 133px;
}

.page-login__feature-title {
  font-size: 1.5em;
  color: #017439;
  margin-bottom: 15px;
}

.page-login__feature-text {
  font-size: 1em;
  color: #555555;
}

.page-login__issues-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-login__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-login__faq-item {
  background: #ffffff;
  margin-bottom: 15px;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  border: 1px solid #eee;
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid #eee;
  transition: background-color 0.3s ease;
}

.page-login__faq-question:hover {
  background-color: #f0f0f0;
}

.page-login__faq-title {
  font-size: 1.2em;
  color: #017439;
  margin: 0;
  flex-grow: 1;
}

.page-login__faq-toggle {
  font-size: 1.8em;
  color: #017439;
  font-weight: bold;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-login__faq-item.active .page-login__faq-toggle {
  transform: rotate(45deg);
}

.page-login__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background-color: #ffffff;
  color: #555555;
}

.page-login__faq-item.active .page-login__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to show content */
  padding: 15px 25px;
}

.page-login__faq-answer p {
  margin: 0;
  font-size: 1em;
}

.page-login__register-cta-section {
  padding: 80px 0;
  text-align: center;
}

.page-login__btn-register {
  display: inline-block;
  padding: 18px 35px;
  border: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  text-decoration: none;
  transition: opacity 0.3s ease;
  margin-top: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-login__btn-register:hover {
  opacity: 0.9;
}

.page-login__cta-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  margin-top: 50px;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-login__mobile-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-login__device-showcase {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 50px;
  margin-top: 50px;
  flex-wrap: wrap;
}

.page-login__device-image {
  width: 100%;
  max-width: 450px;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  min-width: 200px;
  min-height: 150px;
}

.page-login__device-text {
  max-width: 500px;
  text-align: left;
}

.page-login__device-title {
  font-size: 2em;
  color: #017439;
  margin-bottom: 20px;
}

.page-login__device-description {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
}

.page-login__btn-download {
  display: inline-block;
  padding: 15px 30px;
  border: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: opacity 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-login__btn-download:hover {
  opacity: 0.9;
}

.page-login__about-us-section {
  padding: 80px 0;
  text-align: center;
}

.page-login__btn-about {
  display: inline-block;
  padding: 15px 30px;
  border: 2px solid #FFFFFF;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  color: #FFFFFF;
  transition: background-color 0.3s ease, color 0.3s ease;
  margin-top: 40px;
}

.page-login__btn-about:hover {
  background-color: #FFFFFF;
  color: #017439;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
  .page-login__main-title {
    font-size: 2.8em;
  }

  .page-login__section-title {
    font-size: 2.4em;
  }

  .page-login__login-card {
    padding: 30px;
  }

  .page-login__benefits-grid,
  .page-login__guide-steps,
  .page-login__security-features {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
  }

  .page-login__device-showcase {
    flex-direction: column;
    gap: 30px;
  }

  .page-login__device-text {
    text-align: center;
  }

  .page-login__device-image {
    max-width: 400px;
  }

  .page-login__hero-image,
  .page-login__guide-image,
  .page-login__cta-image {
    max-width: 700px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-login__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Ensure correct header offset if body padding is not set by shared */
    padding-bottom: 60px;
  }

  .page-login__main-title {
    font-size: 2.2em !important;
    padding: 0 15px;
  }

  .page-login__hero-description {
    font-size: 1em !important;
    padding: 0 15px;
  }

  .page-login__login-card {
    max-width: 95% !important;
    margin: 0 auto 30px auto;
    padding: 25px !important;
    box-sizing: border-box !important;
  }

  .page-login__card-title {
    font-size: 1.8em !important;
  }

  .page-login__form-input {
    padding: 10px 12px !important;
    font-size: 0.95em !important;
  }

  .page-login__forgot-password {
    font-size: 0.9em !important;
  }

  .page-login__btn-submit {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px !important;
    font-size: 1em !important;
  }

  .page-login__register-text {
    font-size: 0.9em !important;
  }

  /* 其他内容模块 */
  .page-login__container {
    padding: 0 15px !important;
  }

  .page-login__dark-section,
  .page-login__light-bg {
    padding: 60px 0 !important;
  }

  .page-login__section-title {
    font-size: 2em !important;
    padding: 0 10px;
  }

  .page-login__section-description {
    font-size: 1em !important;
    padding: 0 10px;
    margin-bottom: 40px !important;
  }

  /* 通用图片与容器 */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-login__hero-image,
  .page-login__guide-image,
  .page-login__cta-image,
  .page-login__device-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    margin-top: 30px !important;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1) !important;
  }

  .page-login__benefit-icon,
  .page-login__feature-icon {
    min-width: 200px !important;
    min-height: auto !important;
    max-width: 100% !important;
    height: auto !important;
  }

  /* 产品展示图区域 (benefits-grid, guide-steps, security-features behave like grids/cards) */
  .page-login__benefits-grid,
  .page-login__guide-steps,
  .page-login__security-features {
    grid-template-columns: 1fr !important;
    gap: 20px !important;
  }

  .page-login__benefit-item,
  .page-login__step-item,
  .page-login__feature-item {
    padding: 25px !important;
  }

  .page-login__benefit-title,
  .page-login__feature-title {
    font-size: 1.3em !important;
  }

  .page-login__step-title {
    font-size: 1.2em !important;
  }

  /* FAQ区域 */
  .page-login__faq-list {
    margin-top: 30px !important;
  }

  .page-login__faq-question {
    padding: 15px 20px !important;
  }

  .page-login__faq-title {
    font-size: 1.1em !important;
  }

  .page-login__faq-toggle {
    font-size: 1.5em !important;
  }

  .page-login__faq-answer {
    padding: 0 20px !important;
  }

  .page-login__faq-item.active .page-login__faq-answer {
    padding: 15px 20px !important;
  }

  /* 按钮与按钮容器 */
  .page-login__btn-register,
  .page-login__btn-download,
  .page-login__btn-about {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 15px 20px !important;
    font-size: 1em !important;
    margin-top: 30px !important;
  }

  .page-login__device-showcase {
    gap: 20px !important;
  }

  .page-login__device-title {
    font-size: 1.8em !important;
  }

  .page-login__device-description {
    font-size: 1em !important;
  }

  .page-login__device-text {
    padding: 0 10px;
  }

  .page-login__about-us-section {
    padding: 60px 0 !important;
  }
}