/* Base styles for the register page */
.page-register {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color, #F3F8FF); /* Default to light text for dark body background */
  background-color: var(--deep-navy-color); /* From shared.css, which is #08162B */
}

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

.page-register__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-main-color, #F3F8FF);
}

.page-register__section-subtitle {
  font-size: 18px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-secondary-color, #AFC4E8);
}

/* Hero Section */
.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 10px; /* Minimal top padding, relying on body for header offset */
  padding-bottom: 60px;
  overflow: hidden;
  color: var(--text-main-color, #F3F8FF);
}

.page-register__hero-image-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.page-register__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.page-register__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
}

.page-register__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-main-color, #F3F8FF);
}

.page-register__hero-description {
  font-size: 20px;
  margin-bottom: 30px;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-register__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  width: 100%; /* Ensure container takes full width */
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-register__btn-primary,
.page-register__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  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: none;
}

.page-register__btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

.page-register__btn-secondary {
  background: transparent;
  color: var(--text-main-color, #F3F8FF);
  border: 2px solid var(--border-color, #244D84);
}

.page-register__btn-secondary:hover {
  background: rgba(var(--text-main-color-rgb, 243, 248, 255), 0.1);
  transform: translateY(-2px);
}

/* Form Section */
.page-register__form-section {
  padding: 60px 0;
  background-color: var(--deep-navy-color);
  color: var(--text-main-color, #F3F8FF);
}

.page-register__registration-form {
  max-width: 600px;
  margin: 40px auto 0;
  padding: 30px;
  background-color: var(--card-bg-color, #10233F);
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color, #244D84);
}

.page-register__input-group {
  margin-bottom: 20px;
}

.page-register__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-register__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border-color, #244D84);
  border-radius: 5px;
  background-color: rgba(var(--deep-navy-color-rgb, 8, 22, 43), 0.7);
  color: var(--text-main-color, #F3F8FF);
  font-size: 16px;
  box-sizing: border-box;
}

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

.page-register__form-input:focus {
  border-color: var(--glow-color, #4FA8FF);
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--glow-color-rgb, 79, 168, 255), 0.3);
}

.page-register__checkbox-group {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
}

.page-register__form-checkbox {
  margin-right: 10px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color, #1D5FD1);
}

.page-register__form-link {
  color: var(--glow-color, #4FA8FF);
  text-decoration: none;
}

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

.page-register__form-submit-btn {
  width: 100%;
  padding: 15px;
  font-size: 20px;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #ffffff;
  font-weight: bold;
  transition: all 0.3s ease;
}

.page-register__form-submit-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
}

/* Benefits Section */
.page-register__benefits-section {
  padding: 60px 0;
  background-color: var(--deep-navy-color);
}

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

.page-register__benefit-card {
  background-color: var(--card-bg-color, #10233F);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  border: 1px solid var(--border-color, #244D84);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-main-color, #F3F8FF);
}

.page-register__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register__benefit-icon {
  width: 100%; /* Card image takes full width */
  height: auto;
  max-height: 200px; /* Limit height for consistency */
  object-fit: cover;
  margin-bottom: 20px;
  border-radius: 5px;
}

.page-register__card-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--glow-color, #4FA8FF);
}

.page-register__card-text {
  font-size: 16px;
  color: var(--text-secondary-color, #AFC4E8);
}

/* SEO Content Section */
.page-register__seo-content {
  padding: 60px 0;
  background-color: #08162B; /* Deep Navy from custom colors, for light text */
  color: var(--text-main-color, #F3F8FF);
}

.page-register__article-body {
  max-width: 900px;
  margin: 0 auto;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-register__article-body h3 {
  font-size: 28px;
  font-weight: bold;
  margin-top: 40px;
  margin-bottom: 20px;
  color: var(--glow-color, #4FA8FF);
}

.page-register__article-body p {
  margin-bottom: 20px;
}

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

.page-register__article-list {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-register__article-list li {
  margin-bottom: 10px;
}

.page-register__article-figure {
  margin: 30px auto;
  text-align: center;
  max-width: 100%;
}

.page-register__article-figure img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__article-figure figcaption {
  margin-top: 10px;
  font-size: 15px;
  color: var(--text-secondary-color, #AFC4E8);
}

/* FAQ Section */
.page-register__faq-section {
  padding: 60px 0;
  background-color: var(--deep-navy-color);
}

.page-register__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  border: 1px solid var(--border-color, #244D84);
  overflow: hidden;
  background: var(--card-bg-color, #10233F);
  color: var(--text-main-color, #F3F8FF);
}

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(--glow-color, #4FA8FF);
  font-weight: bold;
}

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: rgba(var(--card-bg-color-rgb, 16, 35, 63), 0.8);
}

.page-register__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main-color, #F3F8FF);
}

.page-register__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--glow-color, #4FA8FF);
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
}

details.page-register__faq-item .page-register__faq-answer {
  padding: 0 25px 20px;
  background: rgba(var(--card-bg-color-rgb, 16, 35, 63), 0.7);
  border-radius: 0 0 10px 10px;
  color: var(--text-secondary-color, #AFC4E8);
}

.page-register__faq-answer p {
  margin: 0;
  font-size: 16px;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-register__section-title {
    font-size: 32px;
  }

  .page-register__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

  .page-register__hero-description {
    font-size: 18px;
  }

  .page-register__registration-form {
    padding: 25px;
  }

  .page-register__benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }

  .page-register__benefit-card {
    padding: 25px;
  }

  .page-register__card-title {
    font-size: 22px;
  }

  .page-register__article-body {
    font-size: 16px;
  }

  .page-register__article-body h3 {
    font-size: 26px;
  }

  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px 20px;
  }

  .page-register__faq-qtext {
    font-size: 17px;
  }

  .page-register__faq-toggle {
    font-size: 26px;
  }

  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 20px 15px;
  }
}

@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-register__container {
    padding: 15px;
  }

  .page-register__section-title {
    font-size: 28px;
    margin-bottom: 15px;
  }

  .page-register__section-subtitle {
    font-size: 16px;
    margin-bottom: 30px;
  }

  /* HERO 主图区域 */
  .page-register__hero-section {
    padding-top: 10px;
    padding-bottom: 40px;
  }

  .page-register__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    filter: brightness(0.6);
  }

  .page-register__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-register__hero-description {
    font-size: 16px;
    margin-bottom: 25px;
  }

  .page-register__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
  }

  /* 按钮与按钮容器 */
  .page-register__btn-primary,
  .page-register__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    font-size: 16px;
    padding: 12px 20px;
  }

  /* Form Section */
  .page-register__form-section {
    padding: 40px 0;
  }

  .page-register__registration-form {
    margin-top: 30px;
    padding: 20px;
  }

  .page-register__form-label {
    font-size: 15px;
  }

  .page-register__form-input {
    font-size: 15px;
    padding: 10px 12px;
  }

  .page-register__checkbox-group {
    font-size: 15px;
  }

  .page-register__form-submit-btn {
    font-size: 18px;
    padding: 12px;
  }

  /* Benefits Section */
  .page-register__benefits-section {
    padding: 40px 0;
  }

  .page-register__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

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

  .page-register__benefit-icon {
    max-height: 150px;
    margin-bottom: 15px;
  }

  .page-register__card-title {
    font-size: 20px;
    margin-bottom: 10px;
  }

  .page-register__card-text {
    font-size: 15px;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-register__seo-content {
    padding: 40px 0;
  }

  .page-register__article-body {
    font-size: 15px;
    line-height: 1.7;
    padding: 0 10px;
    max-width: 100%;
    box-sizing: border-box;
  }

  .page-register__article-body h3 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    text-align: left;
  }

  .page-register__article-figure {
    margin: 20px auto;
  }

  .page-register__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-register__article-list {
    margin-left: 20px;
  }

  /* FAQ Section */
  .page-register__faq-section {
    padding: 40px 0;
  }

  .page-register__faq-list {
    margin-top: 30px;
  }

  details.page-register__faq-item summary.page-register__faq-question {
    padding: 15px;
  }

  .page-register__faq-qtext {
    font-size: 16px;
  }

  .page-register__faq-toggle {
    font-size: 24px;
    width: 24px;
    margin-left: 10px;
  }

  details.page-register__faq-item .page-register__faq-answer {
    padding: 0 15px 15px;
  }

  .page-register__faq-answer p {
    font-size: 15px;
  }

  /* 通用图片与容器 */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__hero-image-container,
  .page-register__cta-buttons,
  .page-register__registration-form,
  .page-register__benefits-grid,
  .page-register__benefits-section,
  .page-register__seo-content,
  .page-register__faq-section,
  .page-register__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-register__hero-section .page-register__container {
    padding-left: 0;
    padding-right: 0;
  }
  .page-register__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}