/* Base styles for the login page */
.page-login {
  font-family: 'Arial', sans-serif;
  color: var(--Text-Main); /* Light text on dark body background */
  background-color: var(--Deep-Navy); /* Ensure content background is dark */
}

.page-login__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 15px;
  box-sizing: border-box;
}

.page-login__section {
  padding: 60px 0;
  text-align: center;
  position: relative;
}

.page-login__dark-section {
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

.page-login__section-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--Gold);
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-login__section-intro {
  font-size: 18px;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--Text-Secondary);
}

/* Hero Section */
.page-login__hero-section {
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 60px;
  background-color: var(--Deep-Navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.page-login__hero-image {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

.page-login__hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover; /* Desktop: cover */
  display: block;
}

.page-login__hero-content {
  max-width: 900px;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-login__main-title {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--Gold);
  text-shadow: 0 0 15px rgba(242, 193, 78, 0.7);
  line-height: 1.2;
}

.page-login__description {
  font-size: 20px;
  line-height: 1.7;
  margin-bottom: 40px;
  color: var(--Text-Secondary);
}

.page-login__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  box-sizing: border-box;
  max-width: 100%;
  min-width: 180px;
}

.page-login__btn-primary {
  background: var(--button-gradient);
  color: var(--Text-Main);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(43, 115, 246, 0.4);
}

.page-login__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(43, 115, 246, 0.6);
  opacity: 0.9;
}

.page-login__btn-secondary {
  background-color: transparent;
  color: var(--Gold);
  border: 2px solid var(--Gold);
}

.page-login__btn-secondary:hover {
  transform: translateY(-3px);
  background-color: var(--Gold);
  color: var(--Deep-Navy);
}

/* Benefits Section */
.page-login__benefits-section {
  background-color: #08162B;
  color: var(--Text-Main);
}

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

.page-login__card {
  background-color: var(--Card-BG);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid var(--Border);
}

.page-login__card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  display: block;
}

.page-login__card-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--Gold);
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-login__card-text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--Text-Secondary);
}

/* How-To-Login Section */
.page-login__how-to-login-section {
  background-color: #0d1e3d;
  color: var(--Text-Main);
}

.page-login__steps-list {
  list-style: none;
  padding: 0;
  margin: 40px auto 0 auto;
  max-width: 800px;
}

.page-login__step-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  text-align: left;
  gap: 20px;
}

.page-login__step-number {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: var(--Gold);
  color: var(--Deep-Navy);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  flex-shrink: 0;
}

.page-login__step-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--Text-Main);
  margin-bottom: 10px;
}

.page-login__step-content p {
  font-size: 16px;
  line-height: 1.6;
  color: var(--Text-Secondary);
}

/* Security Section */
.page-login__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__feature-item {
  background-color: var(--Card-BG);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  box-sizing: border-box;
  border: 1px solid var(--Border);
}

.page-login__feature-item img {
  
  
  object-fit: contain;
  margin-bottom: 20px;
  display: block;
}

.page-login__feature-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--Gold);
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-login__feature-item p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--Text-Secondary);
}

/* Troubleshooting & FAQ Section */
.page-login__troubleshooting-section {
  background-color: #0d1e3d;
  color: var(--Text-Main);
}

.page-login__faq-list {
  margin-top: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--Border);
  overflow: hidden;
  background: var(--Card-BG);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
details.page-login__faq-item summary.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-login__faq-item summary.page-login__faq-question::-webkit-details-marker {
  display: none;
}
details.page-login__faq-item summary.page-login__faq-question:hover {
  background: rgba(var(--Gold-rgb), 0.1);
}
.page-login__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--Text-Main);
}
.page-login__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--Gold);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-login__faq-item .page-login__faq-answer {
  padding: 0 20px 20px;
  background: rgba(var(--Deep-Navy-rgb), 0.8);
  border-radius: 0 0 5px 5px;
  color: var(--Text-Secondary);
  font-size: 16px;
  line-height: 1.6;
}

.page-login__support-cta {
  margin-top: 40px;
}

.page-login__support-cta p {
  font-size: 18px;
  color: var(--Text-Secondary);
  margin-bottom: 20px;
}

/* Register CTA Section */
.page-login__register-cta-section {
  padding: 80px 0;
  background-color: var(--Deep-Navy);
  color: var(--Text-Main);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-login__hero-image img {
    max-height: 400px;
  }
  .page-login__section-title {
    font-size: clamp(24px, 3.5vw, 38px);
  }
  .page-login__section-intro {
    font-size: 17px;
  }
  .page-login__card-title {
    font-size: 22px;
  }
  .page-login__feature-title {
    font-size: 20px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-login__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }
  .page-login__hero-image {
    max-height: 300px;
    margin-bottom: 20px;
  }
  .page-login__hero-image img {
    object-fit: contain !important; /* Mobile: contain */
    aspect-ratio: unset !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__main-title {
    font-size: clamp(30px, 8vw, 40px);
    margin-bottom: 15px;
  }
  .page-login__description {
    font-size: 16px;
    margin-bottom: 30px;
  }
  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  /* 按钮与按钮容器 */
  .page-login__btn-primary,
  .page-login__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  /* 产品展示图区域 (Benefits Grid) */
  .page-login__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }
  .page-login__card {
    padding: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-login__card img {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }
  .page-login__card-title {
    font-size: 20px;
  }
  .page-login__card-text {
    font-size: 15px;
  }

  /* 装饰主标题 + 长文 SEO 区 (How-To, Security, Troubleshooting, Register CTA) */
  .page-login__section {
    padding: 40px 0;
  }
  .page-login__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-login__section-title {
    font-size: clamp(22px, 6vw, 32px);
    margin-bottom: 15px;
  }
  .page-login__section-intro {
    font-size: 15px;
    margin-bottom: 30px;
  }
  .page-login__steps-list {
    margin-top: 30px;
  }
  .page-login__step-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
  }
  .page-login__step-number {
    margin-bottom: 10px;
  }
  .page-login__step-title {
    font-size: 18px;
  }
  .page-login__step-content p {
    font-size: 15px;
  }

  .page-login__security-features {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden;
  }
  .page-login__feature-item {
    padding: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-login__feature-item img {
    
    
    max-width: 100% !important;
  }
  .page-login__feature-title {
    font-size: 18px;
  }
  .page-login__feature-item p {
    font-size: 15px;
  }

  details.page-login__faq-item summary.page-login__faq-question {
    padding: 15px;
  }
  .page-login__faq-qtext {
    font-size: 16px;
  }
  .page-login__faq-toggle {
    font-size: 20px;
  }
  details.page-login__faq-item .page-login__faq-answer {
    padding: 0 15px 15px;
    font-size: 15px;
  }
  .page-login__support-cta p {
    font-size: 16px;
  }

  /* 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__section,
  .page-login__card,
  .page-login__container,
  .page-login__hero-content,
  .page-login__benefits-grid,
  .page-login__security-features,
  .page-login__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__register-cta-section {
    padding: 60px 0;
  }
}

/* Color Contrast Fixes (if needed, based on dynamic analysis) */
/* Body background is Deep Navy (#08162B), which is dark. Text Main (#F3F8FF) and Text Secondary (#AFC4E8) are light, so contrast is good. */
/* Card BG (#10233F) is also dark, so light text is appropriate. */
/* Gold (#F2C14E) for titles on dark backgrounds provides good contrast. */