/* Base styles for the register page */
.page-register {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Light text on dark body background */
  background-color: var(--deep-navy-color); /* Inherited from shared, dark background */
}

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

.page-register__section {
  padding: 60px 0;
  text-align: center;
}

.page-register__section-title {
  font-size: 3em;
  font-weight: 700;
  color: var(--gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-register__section-description {
  font-size: 1.2em;
  color: var(--text-secondary-color);
  max-width: 800px;
  margin: 0 auto 40px;
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  overflow: hidden;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  background: linear-gradient(180deg, var(--deep-navy-color) 0%, #113B7A 100%);
  border-bottom: 1px solid var(--divider-color);
}

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

.page-register__hero-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-register__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 20px 40px;
  max-width: 900px;
}

.page-register__main-title {
  font-size: 3.8em;
  font-weight: 800;
  color: var(--text-main-color);
  margin-bottom: 25px;
  line-height: 1.1;
  text-shadow: 0 4px 8px rgba(0,0,0,0.5);
}

.page-register__hero-description {
  font-size: 1.5em;
  color: var(--text-secondary-color);
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.page-register__btn-primary,
.page-register__btn-secondary,
.page-register a[class*="button"],
.page-register a[class*="btn"] {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.2em;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__btn-primary:hover {
  background: linear-gradient(180deg, #1144A6 0%, #2B73F6 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

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

.page-register__btn-secondary:hover {
  background: var(--gold-color);
  color: var(--deep-navy-color);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-register__btn-link {
  color: var(--gold-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-register__btn-link:hover {
  color: #F2C14E;
  text-decoration: underline;
}

/* Why Register Section */
.page-register__why-register {
  background-color: var(--card-bg-color);
  border-top: 1px solid var(--divider-color);
  border-bottom: 1px solid var(--divider-color);
}

.page-register__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__feature-card {
  background-color: #10233F;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-register__feature-icon {
  width: 100%;
  max-width: 200px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-register__feature-title {
  font-size: 1.8em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-register__feature-text {
  font-size: 1em;
  color: var(--text-secondary-color);
}

/* Registration Steps Section */
.page-register__registration-steps {
  background-color: var(--deep-navy-color);
  padding-bottom: 80px;
}

.page-register__steps-list {
  list-style: none;
  padding: 0;
  margin-top: 50px;
}

.page-register__step-item {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.page-register__step-item:nth-child(even) {
  flex-direction: row-reverse;
}

.page-register__step-content {
  flex: 1;
  text-align: left;
}

.page-register__step-title {
  font-size: 2.2em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-register__step-content p {
  font-size: 1.1em;
  color: var(--text-secondary-color);
  margin-bottom: 20px;
}

.page-register__step-image {
  flex-shrink: 0;
  width: 100%;
  max-width: 450px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

/* Security Info Section */
.page-register__security-info {
  background-color: var(--deep-navy-color);
  border-top: 1px solid var(--divider-color);
  padding-top: 80px;
}

.page-register__security-list {
  list-style: none;
  padding: 0;
  margin-top: 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.page-register__security-list li {
  background-color: #10233F;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 15px 25px;
  color: var(--text-main-color);
  font-size: 1.1em;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

/* Promotions Section */
.page-register__promotions {
  background-color: var(--card-bg-color);
  border-top: 1px solid var(--divider-color);
  padding-bottom: 80px;
}

.page-register__promo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__promo-card {
  background-color: #10233F;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__promo-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

.page-register__promo-image {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
}

.page-register__promo-title {
  font-size: 1.8em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-register__promo-text {
  font-size: 1em;
  color: var(--text-secondary-color);
  margin-bottom: 25px;
}

.page-register__cta-wrapper {
    margin-top: 60px;
}

/* Mobile Access Section */
.page-register__mobile-access {
  background-color: var(--deep-navy-color);
  border-top: 1px solid var(--divider-color);
}

.page-register__mobile-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
}

.page-register__mobile-image {
  flex: 1;
  width: 100%;
  max-width: 500px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

.page-register__mobile-text {
  flex: 1;
  text-align: left;
}

.page-register__mobile-text p {
  font-size: 1.1em;
  color: var(--text-secondary-color);
  margin-bottom: 30px;
}

/* FAQ Section */
.page-register__faq-section {
  background-color: var(--card-bg-color);
  border-top: 1px solid var(--divider-color);
}

.page-register__faq-list {
  margin-top: 50px;
  text-align: left;
}

details.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: #10233F;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

details.page-register__faq-item summary.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  color: var(--text-main-color);
}

details.page-register__faq-item summary.page-register__faq-question::-webkit-details-marker {
  display: none;
}

details.page-register__faq-item summary.page-register__faq-question:hover {
  background: #1B3357;
}

.page-register__faq-qtext {
  flex: 1;
  font-size: 1.2em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--gold-color);
}

.page-register__faq-toggle {
  font-size: 2em;
  font-weight: bold;
  color: var(--text-main-color);
  flex-shrink: 0;
  margin-left: 20px;
  width: 30px;
  text-align: center;
}

details.page-register__faq-item .page-register__faq-answer {
  padding: 0 25px 25px;
  background: #08162B;
  border-radius: 0 0 8px 8px;
  color: var(--text-secondary-color);
  font-size: 1.05em;
}

/* Final CTA Section */
.page-register__final-cta {
  background: linear-gradient(90deg, #113B7A 0%, #1D5FD1 100%);
  padding: 80px 0;
  border-top: 1px solid var(--divider-color);
}

.page-register__final-cta-content {
  max-width: 900px;
}

.page-register__final-cta-content .page-register__section-title {
  color: var(--text-main-color);
  margin-bottom: 25px;
}

.page-register__final-cta-content .page-register__section-description {
  color: var(--text-secondary-color);
  margin-bottom: 50px;
}

.page-register__final-cta-btn {
  font-size: 1.5em;
  padding: 18px 40px;
}

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

@media (max-width: 1024px) {
  .page-register__section-title {
    font-size: 2.5em;
  }

  .page-register__main-title {
    font-size: 3em;
  }

  .page-register__hero-description {
    font-size: 1.3em;
  }

  .page-register__step-item,
  .page-register__step-item:nth-child(even) {
    flex-direction: column;
    text-align: center;
  }

  .page-register__step-content {
    text-align: center;
  }

  .page-register__step-image {
    max-width: 100%;
    margin-top: 30px;
  }

  .page-register__mobile-content {
    flex-direction: column;
    gap: 30px;
  }

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

@media (max-width: 849px) {
  .page-register__hero-image img {
    object-fit: contain !important; /* Ensure image is fully visible */
    aspect-ratio: unset !important; /* Remove fixed aspect ratio for better fit */
  }
}

@media (max-width: 768px) {
  .page-register__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__section {
    padding: 40px 0;
  }

  .page-register__section-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-register__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  /* HERO 主图区域 */
  .page-register__hero-section {
    min-height: auto;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
  }

  .page-register__hero-image {
    max-height: 300px;
    margin-bottom: 20px;
  }

  .page-register__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important; /* Ensure image is fully visible on mobile */
    aspect-ratio: unset !important; /* Remove fixed aspect ratio */
  }

  .page-register__hero-content {
    padding: 0 15px 30px;
  }

  .page-register__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-register__hero-description {
    font-size: 1.1em;
    margin-bottom: 30px;
  }

  /* Buttons */
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register a[class*="btn"] {
    padding: 12px 20px;
    font-size: 1.1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-register__cta-wrapper {
    margin-top: 40px;
  }

  /* Why Register Section */
  .page-register__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-register__feature-card {
    padding: 20px;
  }

  .page-register__feature-title {
    font-size: 1.5em;
  }

  /* Registration Steps Section */
  .page-register__steps-list {
    margin-top: 30px;
  }

  .page-register__step-item {
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
    padding: 20px;
  }

  .page-register__step-item:nth-child(even) {
    flex-direction: column;
  }

  .page-register__step-content {
    text-align: center;
  }

  .page-register__step-title {
    font-size: 1.8em;
  }

  .page-register__step-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Security Info Section */
  .page-register__security-list {
    flex-direction: column;
    margin-top: 30px;
    gap: 10px;
  }

  /* Promotions Section */
  .page-register__promo-cards {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-register__promo-card {
    padding: 20px;
  }

  .page-register__promo-title {
    font-size: 1.5em;
  }

  /* Mobile Access Section */
  .page-register__mobile-content {
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
  }

  .page-register__mobile-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* FAQ Section */
  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px;
  }

  .page-register__faq-qtext {
    font-size: 1em;
  }

  .page-register__faq-toggle {
    font-size: 1.8em;
    margin-left: 15px;
  }

  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 15px 15px;
    font-size: 0.95em;
  }

  /* Final CTA Section */
  .page-register__final-cta {
    padding: 60px 0;
  }

  .page-register__final-cta-btn {
    font-size: 1.2em;
    padding: 15px 30px;
  }

  /* 通用图片与容器 */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__promo-cards,
  .page-register__features-grid,
  .page-register__steps-list,
  .page-register__security-list,
  .page-register__mobile-content,
  .page-register__final-cta-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮容器移动端适配 */
  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-register__cta-buttons {
    display: flex;
    flex-direction: column; /* 移动端垂直排列 */
  }
}

/* 页面内容区域内的段落和列表项 */
.page-register p,
.page-register li {
  color: var(--text-secondary-color);
}

/* 正文内容区域 - 最高优先级 */
.page-register__content-area,
.page-register__text-block {
  color: var(--text-main-color); /* Ensure readability on dark background */
  background: var(--deep-navy-color); /* Default dark background */
}

/* 卡片和容器 - 智能背景选择 */
.page-register__card {
  background: var(--card-bg-color); /* Use custom card background */
  color: var(--text-main-color);
  border: 1px solid var(--border-color);
}

/* 深色区域特殊处理 */
.page-register__dark-section {
  background: var(--deep-navy-color);
  color: var(--text-main-color); /* Enforce light text */
}

/* 按钮文字对比度保障 */
.page-register__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff; /* Button text always white */
  border: 2px solid transparent;
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--gold-color); /* Use gold for contrast */
  border: 2px solid var(--gold-color);
}

/* 对比度紧急修复类 */
.page-register__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

.page-register__text-contrast-fix {
  color: #333333 !important;
  text-shadow: none !important;
}