.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #F3F8FF; /* Text Main */
  background-color: var(--card-bg, #10233F); /* Default to Card BG if var not set */
  text-align: justify;
}

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

.page-index__section {
  padding: 30px 0;
}

.page-index__top-section {
  padding-top: 10px; /* Small top padding, not --header-offset */
  padding-bottom: 20px;
  text-align: center;
}

.page-index__page-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: bold;
  color: #F3F8FF;
  margin-bottom: 25px;
  text-align: center;
  line-height: 1.2;
}

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

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  min-height: 44px;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.page-index__btn--primary {
  background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%); /* Custom Button Gradient */
  color: #F3F8FF;
  border: none;
}

.page-index__btn--primary:hover {
  transform: translateY(-2px);
  opacity: 0.9;
}

.page-index__btn--promo {
  background-color: #d62828; /* Emphasized red */
  color: #ffffff;
  border: none;
  font-size: 1.2em;
  padding: 15px 35px;
  border-radius: 8px;
}

.page-index__btn--promo:hover {
  background-color: #ed1c24;
  transform: translateY(-2px);
}

.page-index__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.5em);
  color: #F3F8FF; /* Text Main */
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__section-title--notification {
  font-size: clamp(1.6em, 3vw, 2.2em);
  color: #F2C14E; /* Gold */
  margin-bottom: 20px;
}

.page-index__icon-bell {
  margin-right: 10px;
  vertical-align: middle;
}

.page-index__text-justify {
  text-align: justify;
  margin-bottom: 15px;
  color: #AFC4E8; /* Text Secondary */
}

.page-index__selling-points,
.page-index__fact-list,
.page-index__advantages-list {
  list-style: disc;
  margin: 20px 0 20px 25px;
  color: #AFC4E8;
}

.page-index__selling-points li,
.page-index__fact-list li,
.page-index__advantages-list li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.page-index__selling-points li strong,
.page-index__fact-list li strong,
.page-index__advantages-list li strong {
  color: #F3F8FF;
}

.page-index__emphasis-text {
  text-align: center;
  font-style: italic;
  color: #F2C14E; /* Gold */
  margin-top: 20px;
  font-size: 1.1em;
}

.page-index__link-emphasis {
  color: #F2C14E;
  text-decoration: underline;
}

.page-index__link-emphasis:hover {
  color: #FFD700;
}

.page-index__info-card {
  background-color: #10233F; /* Card BG */
  border: 1px solid #244D84; /* Border */
  border-radius: 8px;
  padding: 25px;
  margin-top: 30px;
  color: #AFC4E8;
}

.page-index__info-card p strong {
  color: #F3F8FF;
  font-size: 1.1em;
}

.page-index__info-card ul {
  list-style: inside square;
  margin: 15px 0;
  padding-left: 0;
}

.page-index__info-card ul li {
  margin-bottom: 8px;
}

.page-index__info-card em {
  font-size: 0.9em;
  color: #AFC4E8;
}

.page-index__warning-card {
  background-color: #10233F; /* Card BG */
  border-left: 5px solid #ff4141;
  border-radius: 8px;
  padding: 20px;
  margin-top: 20px;
  color: #AFC4E8;
  font-size: 0.95em;
}

.page-index__warning-card strong {
  color: #ff4141;
  font-size: 1.05em;
  display: block;
  margin-bottom: 10px;
}

.page-index__seo-content-section h2,
.page-index__seo-content-section h3 {
  color: #F3F8FF; /* Text Main */
  margin-top: 35px;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__seo-content-section h2 {
  font-size: clamp(1.7em, 3.2vw, 2.3em);
  text-align: center;
}

.page-index__seo-content-section h3 {
  font-size: clamp(1.4em, 2.8vw, 1.9em);
  text-align: left;
  padding-left: 10px;
  border-left: 4px solid #F2C14E; /* Gold accent */
}

.page-index__wp-caption {
  margin: 25px auto;
  text-align: center;
  max-width: 680px;
}

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

.page-index__wp-caption figcaption {
  font-size: 0.9em;
  color: #AFC4E8;
  margin-top: 10px;
  line-height: 1.4;
}

.page-index blockquote {
  background-color: #08162B; /* Deep Navy */
  border-left: 5px solid #F2C14E; /* Gold */
  margin: 30px 0;
  padding: 20px 25px;
  font-style: italic;
  color: #AFC4E8;
  border-radius: 0 8px 8px 0;
}

.page-index__quote-text {
  font-size: 1.1em;
  line-height: 1.7;
  margin-bottom: 10px;
}

.page-index__quote-author {
  display: block;
  text-align: right;
  font-weight: bold;
  color: #F3F8FF;
  font-style: normal;
}

.page-index__link-text {
  color: #4FA8FF; /* Glow */
  text-decoration: none;
}

.page-index__link-text:hover {
  text-decoration: underline;
}

.page-index__promo-box-section {
  padding: 40px 0;
  background-color: var(--card-bg, #10233F);
}

.page-index__promo-box {
  background-color: #08162B; /* Deep Navy */
  border: 2px dashed #F2C14E; /* Gold dashed border */
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-index__promo-box-title {
  font-size: clamp(1.5em, 2.8vw, 2.1em);
  color: #F2C14E; /* Gold */
  margin-bottom: 25px;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__promo-features {
  list-style: none;
  padding: 0;
  margin: 0 auto 30px auto;
  max-width: 600px;
  color: #AFC4E8;
}

.page-index__promo-features li {
  margin-bottom: 10px;
  font-size: 1.05em;
  position: relative;
  padding-left: 25px;
  text-align: left;
}

.page-index__promo-features li::before {
  content: '✓';
  color: #4FA8FF; /* Glow */
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-index__register-guide-section h2 {
  font-size: clamp(1.7em, 3.2vw, 2.3em);
  text-align: center;
  color: #F3F8FF;
  margin-bottom: 30px;
}

.page-index__step-title {
  font-size: clamp(1.4em, 2.8vw, 1.9em);
  color: #F2C14E; /* Gold */
  margin-top: 30px;
  margin-bottom: 15px;
  text-align: left;
  padding-left: 10px;
  border-left: 4px solid #4FA8FF; /* Glow accent */
}

.page-index__faq-section h2 {
  font-size: clamp(1.7em, 3.2vw, 2.3em);
  text-align: center;
  color: #F3F8FF;
  margin-bottom: 30px;
}

.page-index__faq-question {
  font-size: clamp(1.2em, 2.5vw, 1.7em);
  color: #F3F8FF; /* Text Main */
  margin-top: 25px;
  margin-bottom: 10px;
  font-weight: bold;
  padding-left: 10px;
  border-left: 3px solid #1D5FD1; /* Auxiliary color accent */
}

.page-index__faq-answer {
  margin-bottom: 20px;
  padding-left: 15px;
  color: #AFC4E8;
}

.page-index__final-text {
  margin-top: 30px;
  text-align: center;
  font-size: 1.05em;
}

.page-index__contact-info {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: center;
  color: #AFC4E8;
}

.page-index__contact-info li {
  margin-bottom: 8px;
  font-size: 1.05em;
}

.page-index__contact-info li strong {
  color: #F3F8FF;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-index__article-wrap {
    padding: 0 15px;
  }

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

  .page-index__section-title {
    font-size: 2.2em;
  }

  .page-index__seo-content-section h2 {
    font-size: 2em;
  }

  .page-index__seo-content-section h3 {
    font-size: 1.7em;
  }

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

  .page-index__register-guide-section h2,
  .page-index__faq-section h2 {
    font-size: 2em;
  }

  .page-index__step-title {
    font-size: 1.7em;
  }

  .page-index__faq-question {
    font-size: 1.5em;
  }
}

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

  .page-index__article-wrap {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__section {
    padding: 20px 0;
  }

  /* 1. Top section title + Dual CTA */
  .page-index__top-section {
    padding-top: 10px !important;
    padding-bottom: 15px;
  }

  .page-index__page-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 20px;
  }

  .page-index__top-cta {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

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

  /* 2. Single column long content container */
  .page-index__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    margin-bottom: 20px;
  }

  .page-index__section-title--notification {
    font-size: clamp(1.4em, 5.5vw, 1.8em);
  }

  .page-index__info-card,
  .page-index__warning-card,
  .page-index__promo-box {
    padding: 15px;
    margin-top: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__info-card ul {
    margin-left: 15px;
  }

  /* 3. General images and figures */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-index__wp-caption {
    margin: 15px auto;
    padding: 0 5px;
  }

  .page-index__wp-caption figcaption {
    font-size: 0.85em;
  }

  /* 4. Buttons and button containers */
  .page-index__btn--promo {
    font-size: 1.05em;
    padding: 12px 25px;
  }

  .page-index__top-cta,
  .page-index__promo-box .page-index__btn--promo-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;
  }

  /* 5. Registration tutorial and FAQ blocks */
  .page-index__seo-content-section h2,
  .page-index__register-guide-section h2,
  .page-index__faq-section h2 {
    font-size: clamp(1.5em, 6vw, 2em);
    margin-bottom: 20px;
  }

  .page-index__seo-content-section h3,
  .page-index__step-title,
  .page-index__faq-question {
    font-size: clamp(1.3em, 5vw, 1.7em);
    margin-top: 20px;
    margin-bottom: 10px;
    padding-left: 10px;
  }

  .page-index__faq-answer {
    padding-left: 10px;
  }

  .page-index__promo-box-title {
    font-size: clamp(1.4em, 5.5vw, 1.8em);
  }

  .page-index__promo-features li {
    font-size: 1em;
    padding-left: 20px;
  }

  .page-index__contact-info {
    padding-left: 0;
  }

  .page-index__contact-info li {
    font-size: 1em;
  }
}