/* Base styles for the login page, scoped to .page-login */
.page-login {
  font-family: Arial, sans-serif;
  color: var(--text-main-color, #F3F8FF); /* Default text color from palette */
  background-color: var(--deep-navy-color, #08162B); /* Ensure dark background for light text */
  padding-bottom: 50px; /* Space for footer */
}

/* Fixed header spacing: Body handles padding-top, so hero-section needs minimal top padding */
.page-login__hero-section {
  padding-top: 10px; /* Minimal top padding */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-login__hero-image {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-login__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Default cover for desktop */
  border-radius: 10px;
}

.page-login__hero-content {
  padding: 20px;
  max-width: 800px;
  width: 100%;
  box-sizing: border-box;
}

.page-login__main-title {
  font-size: clamp(28px, 4vw, 48px); /* H1 font size with clamp */
  color: var(--gold-color, #F2C14E); /* Gold for main title */
  margin-bottom: 15px;
  line-height: 1.2;
  font-weight: 700;
}

.page-login__hero-description {
  font-size: 18px;
  color: var(--text-secondary-color, #AFC4E8);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-login__login-form-wrapper {
  background: var(--card-bg-color, #10233F); /* Card background */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  max-width: 450px;
  width: 100%;
  margin: 0 auto;
  border: 1px solid var(--border-color, #244D84);
}

.page-login__login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-login__form-group {
  text-align: left;
}

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--text-main-color, #F3F8FF);
  font-weight: 600;
}

.page-login__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color, #244D84);
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.2);
  color: var(--text-main-color, #F3F8FF);
  font-size: 16px;
  box-sizing: border-box;
}

.page-login__form-input::placeholder {
  color: var(--text-secondary-color, #AFC4E8);
  opacity: 0.7;
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}

.page-login__forgot-password-link {
  color: var(--accent-color, #1D5FD1);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-login__forgot-password-link:hover {
  color: var(--glow-color, #4FA8FF);
}

.page-login__remember-me {
  color: var(--text-secondary-color, #AFC4E8);
}

.page-login__remember-me input {
  margin-right: 5px;
}

.page-login__submit-button {
  background: var(--button-gradient, linear-gradient(180deg, #2B73F6 0%, #1144A6 100%));
  color: #ffffff;
  padding: 15px 25px;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  width: 100%;
  box-sizing: border-box; /* Button responsive requirement */
  max-width: 100%; /* Button responsive requirement */
  white-space: normal; /* Button responsive requirement */
  word-wrap: break-word; /* Button responsive requirement */
}

.page-login__submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.4);
}

.page-login__register-text {
  margin-top: 20px;
  color: var(--text-secondary-color, #AFC4E8);
  font-size: 15px;
}

.page-login__register-link {
  color: var(--accent-color, #1D5FD1);
  text-decoration: none;
  font-weight: 600;
}

.page-login__register-link:hover {
  color: var(--glow-color, #4FA8FF);
}

.page-login__download-app-cta {
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--divider-color, #1B3357);
  text-align: center;
}

.page-login__download-app-cta p {
  color: var(--text-secondary-color, #AFC4E8);
  margin-bottom: 15px;
}

.page-login__download-button {
  display: inline-block;
  background: var(--glow-color, #4FA8FF); /* Use glow for download button */
  color: #ffffff;
  padding: 12px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 600;
  transition: background-color 0.3s ease;
  box-sizing: border-box; /* Button responsive requirement */
  max-width: 100%; /* Button responsive requirement */
  white-space: normal; /* Button responsive requirement */
  word-wrap: break-word; /* Button responsive requirement */
}

.page-login__download-button:hover {
  background: #2B73F6;
}

/* Benefits Section */
.page-login__benefits-section {
  padding: 60px 20px;
  text-align: center;
  background: var(--deep-navy-color, #08162B); /* Dark section background */
}

.page-login__dark-section {
  background: var(--deep-navy-color, #08162B);
  color: var(--text-main-color, #F3F8FF); /* Forced white text */
}

.page-login__section-title {
  font-size: clamp(24px, 3.5vw, 40px);
  color: var(--gold-color, #F2C14E);
  margin-bottom: 40px;
  font-weight: 700;
}

.page-login__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-login__benefit-card {
  background: var(--card-bg-color, #10233F);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color, #244D84);
}

.page-login__benefit-card img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 20px;
  border-radius: 8px;
  min-width: 200px; /* Min size for images */
  min-height: 200px; /* Min size for images */
  object-fit: cover;
}

.page-login__card-title {
  font-size: 22px;
  color: var(--text-main-color, #F3F8FF);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-login__benefit-card p {
  font-size: 15px;
  color: var(--text-secondary-color, #AFC4E8);
  line-height: 1.6;
}

/* Guide Section */
.page-login__guide-section {
  padding: 60px 20px;
  text-align: center;
  background: var(--deep-navy-color, #08162B);
}

.page-login__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.page-login__guide-item {
  background: var(--card-bg-color, #10233F);
  padding: 30px;
  border-radius: 10px;
  border: 1px solid var(--border-color, #244D84);
  position: relative;
  overflow: hidden;
  text-align: left;
}

.page-login__guide-number {
  position: absolute;
  top: 15px;
  right: 15px;
  font-size: 48px;
  font-weight: 900;
  color: rgba(29, 95, 209, 0.1); /* Light transparent accent */
  line-height: 1;
}

.page-login__guide-heading {
  font-size: 22px;
  color: var(--gold-color, #F2C14E);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-login__guide-item p {
  font-size: 15px;
  color: var(--text-secondary-color, #AFC4E8);
  line-height: 1.6;
}

.page-login__cta-bottom {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Button responsive requirement */
  max-width: 800px;
  margin: 0 auto;
}

.page-login__cta-button {
  display: inline-block;
  padding: 15px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box; /* Button responsive requirement */
  max-width: 100%; /* Button responsive requirement */
  white-space: normal; /* Button responsive requirement */
  word-wrap: break-word; /* Button responsive requirement */
}

.page-login__cta-button--register {
  background: var(--button-gradient, linear-gradient(180deg, #2B73F6 0%, #1144A6 100%));
  color: #ffffff;
  border: none;
}

.page-login__cta-button--register:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.4);
}

.page-login__cta-button--support {
  background: transparent;
  color: var(--glow-color, #4FA8FF);
  border: 2px solid var(--glow-color, #4FA8FF);
}

.page-login__cta-button--support:hover {
  background: var(--glow-color, #4FA8FF);
  color: var(--deep-navy-color, #08162B); /* Dark text on hover */
}

/* FAQ Section */
.page-login__faq-section {
  padding: 60px 20px;
  background: var(--deep-navy-color, #08162B);
  color: var(--text-main-color, #F3F8FF);
  text-align: center;
}

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

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--border-color, #244D84);
  overflow: hidden;
  background: var(--card-bg-color, #10233F);
}
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;
  color: var(--text-main-color, #F3F8FF);
}
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(29, 95, 209, 0.2); /* Lighter hover for dark background */
}
.page-login__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color, #F3F8FF);
}
.page-login__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--glow-color, #4FA8FF);
  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(8, 22, 43, 0.8); /* Slightly lighter dark background for answer */
  border-radius: 0 0 5px 5px;
  color: var(--text-secondary-color, #AFC4E8);
}
.page-login__faq-answer p {
    margin-top: 10px;
    margin-bottom: 0;
}

.page-login__cta-support {
  margin-top: 40px;
}

.page-login__cta-support p {
  color: var(--text-secondary-color, #AFC4E8);
  margin-bottom: 20px;
  font-size: 16px;
}

.page-login__contact-support-button {
  display: inline-block;
  background: var(--glow-color, #4FA8FF);
  color: #ffffff;
  padding: 15px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 700;
  transition: background-color 0.3s ease;
  box-sizing: border-box; /* Button responsive requirement */
  max-width: 100%; /* Button responsive requirement */
  white-space: normal; /* Button responsive requirement */
  word-wrap: break-word; /* Button responsive requirement */
}

.page-login__contact-support-button:hover {
  background: #2B73F6;
}

/* SEO Content Section */
.page-login__seo-content {
  padding: 60px 20px;
  background: var(--deep-navy-color, #08162B);
  color: var(--text-main-color, #F3F8FF);
}

.page-login__article-body {
  max-width: 1200px;
  margin: 0 auto;
  line-height: 1.7;
}

.page-login__article-body p {
  margin-bottom: 20px;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-login__article-body strong {
  color: var(--text-main-color, #F3F8FF);
}

.page-login__sub-title {
  font-size: clamp(20px, 2.5vw, 28px);
  color: var(--gold-color, #F2C14E);
  margin-top: 30px;
  margin-bottom: 20px;
  font-weight: 600;
}

.page-login__article-body ul,
.page-login__article-body ol {
  margin-bottom: 20px;
  padding-left: 25px;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-login__article-body li {
  margin-bottom: 10px;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-login__article-figure {
  margin: 40px auto;
  max-width: 800px;
  text-align: center;
}

.page-login__article-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  min-width: 200px; /* Min size for images */
  min-height: 200px; /* Min size for images */
  object-fit: cover;
}

.page-login__article-figure figcaption {
  margin-top: 15px;
  font-size: 14px;
  color: var(--text-secondary-color, #AFC4E8);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-login__hero-content {
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__login-form-wrapper {
    max-width: 400px;
  }
  .page-login__benefits-section,
  .page-login__guide-section,
  .page-login__faq-section,
  .page-login__seo-content {
    padding: 50px 15px;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-login__hero-section {
    padding-top: 10px; /* Minimal top padding */
    padding-bottom: 30px;
  }
  .page-login__hero-image img {
    object-fit: contain !important; /* Mobile: contain, not cover */
    aspect-ratio: unset !important; /* Remove aspect ratio if set, allow natural height */
    width: 100% !important;
    height: auto !important;
  }
  .page-login__main-title {
    font-size: clamp(24px, 8vw, 36px);
  }
  .page-login__hero-description {
    font-size: 16px;
  }
  .page-login__login-form-wrapper {
    padding: 20px;
  }
  .page-login__form-input {
    padding: 10px 12px;
    font-size: 15px;
  }
  .page-login__submit-button,
  .page-login__download-button,
  .page-login__contact-support-button,
  .page-login__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  /* 按钮容器移动端适配 */
  .page-login__cta-bottom {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 通用图片与容器 */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__benefits-section,
  .page-login__guide-section,
  .page-login__faq-section,
  .page-login__seo-content,
  .page-login__benefits-grid,
  .page-login__guide-steps,
  .page-login__faq-list,
  .page-login__article-body {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__section-title {
    font-size: clamp(20px, 6vw, 32px);
    margin-bottom: 30px;
  }
  .page-login__card-title {
    font-size: 20px;
  }
  .page-login__benefit-card,
  .page-login__guide-item {
    padding: 25px;
  }
  .page-login__guide-number {
    font-size: 40px;
  }
  .page-login__guide-heading {
    font-size: 20px;
  }
  
  /* FAQ Section */
  details.page-login__faq-item summary.page-login__faq-question { padding: 15px; }
  .page-login__faq-qtext { font-size: 15px; }
  .page-login__faq-toggle { font-size: 20px; width: 24px; margin-left: 10px; }
  details.page-login__faq-item .page-login__faq-answer { padding: 0 15px 15px; }

  /* Article body images */
  .page-login__article-figure {
    margin: 30px auto;
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }
  .page-login__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__sub-title {
    font-size: clamp(18px, 5vw, 24px);
  }
  .page-login__article-body p, .page-login__article-body li {
    font-size: 15px;
  }
}