.page-register {
  color: #F3F8FF;
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--card-bg); /* Inherit from shared.css, which is #10233F */
}

.page-register__container {
  max-width: 1150px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-register__hero-section {
  padding-top: 10px; /* Small top padding as body handles --header-offset */
  padding-bottom: 60px;
  text-align: center;
  background-color: var(--deep-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-register__hero-content {
  max-width: 800px;
  margin-bottom: 40px;
}

.page-register__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(79, 168, 255, 0.5);
}

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

.page-register__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-register__cta-buttons--centered {
  margin-top: 30px;
  margin-bottom: 30px;
}

.page-register__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-register__btn-primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  color: #FFFFFF;
  border: none;
  box-shadow: 0 4px 15px rgba(43, 115, 246, 0.4);
}

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

.page-register__btn-secondary {
  background: #10233F;
  color: var(--text-main);
  border: 2px solid var(--border);
}

.page-register__btn-secondary:hover {
  background-color: var(--border);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.page-register__btn-link {
  background: transparent;
  color: var(--glow);
  border: none;
  text-decoration: underline;
  padding: 0;
  font-weight: 500;
}

.page-register__btn-link:hover {
  color: var(--gold);
  text-decoration: none;
}

.page-register__hero-image-wrap {
  width: 100%;
  max-width: 800px;
  margin-top: 30px;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.page-register__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.page-register__section {
  padding: 80px 0;
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--divider);
}

.page-register__dark-section {
  background-color: var(--deep-navy);
  color: var(--text-main);
}

.page-register__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--gold);
  text-align: center;
  margin-bottom: 50px;
  font-weight: 700;
  line-height: 1.3;
}

.page-register__section-intro {
  text-align: center;
  font-size: 1.1em;
  color: var(--text-secondary);
  max-width: 800px;
  margin: -30px auto 50px auto;
}

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

.page-register__info-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  text-align: center;
}

.page-register__card-title {
  font-size: 1.5em;
  color: var(--text-main);
  margin-bottom: 15px;
  font-weight: 600;
}

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

.page-register__guide-section {
  background-color: var(--deep-navy);
}

.page-register__step-item {
  margin-bottom: 60px;
  padding: 40px;
  background-color: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.page-register__step-item:last-of-type {
  margin-bottom: 0;
}

.page-register__step-title {
  font-size: 1.8em;
  color: var(--gold);
  margin-bottom: 20px;
  font-weight: 600;
  text-align: center;
}

.page-register__step-text {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 25px;
  text-align: center;
}

.page-register__figure {
  margin: 30px auto;
  max-width: 680px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.page-register__figcaption {
  font-size: 0.9em;
  color: var(--text-secondary);
  text-align: center;
  padding: 10px 0;
  background-color: var(--deep-navy);
  border-top: 1px solid var(--border);
}

.page-register__security-list {
  list-style: none;
  padding: 0;
  margin: 0 auto 30px auto;
  max-width: 800px;
}

.page-register__list-item {
  font-size: 1.1em;
  color: var(--text-secondary);
  margin-bottom: 15px;
  position: relative;
  padding-left: 30px;
}

.page-register__list-item::before {
  content: '✅';
  position: absolute;
  left: 0;
  color: var(--gold);
}

.page-register__promo-box {
  display: flex;
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  align-items: center;
  margin-top: 40px;
}

.page-register__promo-image {
  width: 50%;
  height: auto;
  object-fit: cover;
  border-radius: 0;
}

.page-register__promo-content {
  padding: 40px;
  width: 50%;
}

.page-register__promo-title {
  font-size: 2em;
  color: var(--gold);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

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

.page-register__faq-section {
  background-color: var(--deep-navy);
}

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

.page-register__faq-item {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-register__faq-question {
  font-size: 1.2em;
  color: var(--text-main);
  padding: 20px 25px;
  cursor: pointer;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.page-register__faq-question:hover {
  background-color: rgba(43, 115, 246, 0.1);
}

.page-register__faq-answer {
  font-size: 1em;
  color: var(--text-secondary);
  padding: 0 25px 20px 25px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out;
}

.page-register__faq-item.active .page-register__faq-answer {
  max-height: 500px; /* Adjust as needed for content */
  transition: max-height 0.5s ease-in;
}

.page-register__contact-section {
  text-align: center;
  padding-bottom: 80px;
}

.page-register__copyright {
  font-size: 0.9em;
  color: var(--text-secondary);
  margin-top: 60px;
  text-align: center;
}

/* --- Mobile Responsive Styles --- */
@media (max-width: 1024px) {
  .page-register__container {
    padding: 0 15px;
  }

  .page-register__hero-content {
    margin-bottom: 30px;
  }

  .page-register__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-register__description {
    font-size: 1em;
  }

  .page-register__section-title {
    font-size: clamp(1.6em, 4vw, 2.5em);
  }

  .page-register__promo-box {
    flex-direction: column;
  }

  .page-register__promo-image,
  .page-register__promo-content {
    width: 100%;
  }

  .page-register__promo-content {
    padding: 30px;
  }

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

@media (max-width: 768px) {
  /* 1. 顶区标题 + 双 CTA */
  .page-register__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }
  .page-register__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
    margin-bottom: 15px;
  }
  .page-register__description {
    font-size: 0.95em;
    margin-bottom: 20px;
  }
  .page-register__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-register__btn {
    padding: 10px 20px;
    font-size: 0.95em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. 单栏长文容器 */
  .page-register__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-register__section {
    padding: 40px 0;
  }
  .page-register__section-title {
    font-size: clamp(1.5em, 5vw, 2em);
    margin-bottom: 30px;
  }
  .page-register__section-intro {
    font-size: 1em;
    margin-top: -20px;
    margin-bottom: 30px;
  }
  .page-register__info-card {
    padding: 25px;
  }
  .page-register__card-title {
    font-size: 1.3em;
  }
  .page-register__card-text {
    font-size: 0.95em;
  }

  /* 3. 通用图片与 figure */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-register__hero-image-wrap,
  .page-register__figure,
  .page-register__promo-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin-left: auto;
    margin-right: auto;
  }
  .page-register__figcaption {
    font-size: 0.85em;
  }

  /* 4. 按钮与按钮容器 (already covered in section 1 and general .page-register__btn) */
  .page-register__cta-buttons--centered {
    margin-top: 20px;
    margin-bottom: 20px;
  }
  .page-register__cta-buttons {
    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__step-item .page-register__cta-buttons {
    flex-direction: column;
  }

  /* 5. 注册教程与 FAQ 区块 */
  .page-register__step-item {
    padding: 25px;
    margin-bottom: 40px;
  }
  .page-register__step-title {
    font-size: 1.5em;
    margin-bottom: 15px;
  }
  .page-register__step-text {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-register__security-list {
    max-width: 100%;
  }
  .page-register__list-item {
    font-size: 1em;
    padding-left: 25px;
  }
  .page-register__list-item::before {
    left: -5px;
  }
  .page-register__promo-box {
    flex-direction: column;
    margin-top: 30px;
  }
  .page-register__promo-content {
    padding: 25px;
  }
  .page-register__promo-title {
    font-size: 1.5em;
    margin-bottom: 15px;
  }
  .page-register__promo-text {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-register__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }
  .page-register__faq-answer {
    font-size: 0.95em;
    padding: 0 20px 15px 20px;
  }
  .page-register__copyright {
    margin-top: 40px;
  }
}