.page-index {
  font-family: Arial, sans-serif;
  color: #333333;
  background-color: #F5F7FA;
  line-height: 1.6;
}

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

.page-index__section {
  padding: 30px 0;
  background-color: #FFFFFF;
  margin-bottom: 20px;
}

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

.page-index__top-section {
  padding-top: 10px;
  text-align: center;
  background-color: #F5F7FA;
}

.page-index__page-title {
  font-size: 2.5em;
  font-weight: bold;
  color: #E53935;
  margin-bottom: 15px;
  text-align: center;
  line-height: 1.2;
}

.page-index__description {
  font-size: 1.1em;
  margin-bottom: 25px;
  color: #333333;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-bottom: 30px;
  flex-wrap: wrap;
}

.page-index__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 6px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  min-height: 44px;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-index__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 10px rgba(229, 57, 53, 0.4);
}

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

.page-index__btn--secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-index__btn--secondary:hover {
  background: #E53935;
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(229, 57, 53, 0.4);
}

.page-index__section-title {
  font-size: 2em;
  color: #E53935;
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
  line-height: 1.3;
}

.page-index__announcement-section p,
.page-index__brand-overview-section p,
.page-index__seo-content-section p,
.page-index__register-tutorial-section p,
.page-index__faq-section p {
  margin-bottom: 15px;
  text-align: justify;
}

.page-index__feature-list,
.page-index__fact-list,
.page-index__promo-list,
.page-index__contact-info {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
}

.page-index__feature-list li,
.page-index__fact-list li,
.page-index__promo-list li,
.page-index__contact-info li {
  margin-bottom: 8px;
}

.page-index__highlight-text {
  text-align: center;
  font-style: italic;
  color: #E53935;
  font-weight: bold;
  margin-top: 25px;
  margin-bottom: 25px;
}

.page-index__info-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin-top: 30px;
  margin-bottom: 30px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.page-index__info-card p strong {
  color: #E53935;
}

.page-index__warning-card {
  background-color: #fff4f4;
  border-left: 5px solid #ff4141;
  border-radius: 8px;
  padding: 20px;
  margin-top: 30px;
  margin-bottom: 30px;
  color: #d62828;
  font-size: 0.95em;
}

.page-index__seo-content-section h2,
.page-index__seo-content-section h3 {
  color: #E53935;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.4;
}

.page-index__seo-content-section h2 {
  font-size: 1.8em;
  text-align: center;
}

.page-index__seo-content-section h3 {
  font-size: 1.5em;
  text-align: left;
}

.page-index blockquote {
  border-left: 5px solid #E53935;
  padding-left: 20px;
  margin: 30px 0;
  font-style: italic;
  color: #555555;
  font-size: 1.1em;
}

.page-index blockquote footer {
  margin-top: 10px;
  font-style: normal;
  font-weight: bold;
  color: #E53935;
}

.page-index__wp-caption {
  text-align: center;
  margin: 25px auto;
  max-width: 680px;
  width: 100%;
}

.page-index__wp-caption img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.page-index__wp-caption figcaption {
  font-size: 0.9em;
  color: #666666;
  margin-top: 10px;
}

.page-index__promo-box-section {
  background-color: #F5F7FA;
}

.page-index__promo-box {
  background-color: #fffbe6;
  border: 2px dashed #111;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  margin: 30px auto;
  max-width: 900px;
  box-sizing: border-box;
}

.page-index__promo-title {
  font-size: 2em;
  color: #d62828;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-index__promo-list {
  list-style-type: none;
  padding: 0;
  margin: 0 auto 25px auto;
  max-width: 600px;
}

.page-index__promo-list li {
  margin-bottom: 10px;
  font-size: 1.1em;
  color: #333333;
}

.page-index__btn--promo {
  background: #d62828;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 10px rgba(214, 40, 40, 0.4);
}

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

.page-index__register-tutorial-section h2 {
  text-align: center;
  font-size: 1.8em;
  color: #E53935;
  margin-bottom: 20px;
}

.page-index__step-title {
  font-size: 1.6em;
  color: #E53935;
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__faq-section h2 {
  text-align: center;
  font-size: 1.8em;
  color: #E53935;
  margin-bottom: 20px;
}

.page-index__faq-question-text {
  font-size: 1.4em;
  color: #333333;
  margin-top: 25px;
  margin-bottom: 10px;
  font-weight: bold;
}

.page-index__faq-answer-text {
  margin-bottom: 20px;
  text-align: justify;
}

.page-index__contact-intro {
  margin-top: 30px;
  margin-bottom: 15px;
  font-size: 1.1em;
}

.page-index__contact-info {
  list-style-type: none;
  padding: 0;
  margin-left: 0;
}

.page-index__contact-info li {
  margin-bottom: 8px;
  font-size: 1em;
}

.page-index__contact-info li strong {
  color: #E53935;
}

.page-index__contact-info li a {
  color: #0066ff;
  text-decoration: none;
}

.page-index__contact-info li a:hover {
  text-decoration: underline;
}

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

@media (max-width: 1024px) {
  .page-index__page-title {
    font-size: 2.2em;
  }
  .page-index__section-title {
    font-size: 1.8em;
  }
  .page-index__seo-content-section h2 {
    font-size: 1.6em;
  }
  .page-index__seo-content-section h3 {
    font-size: 1.3em;
  }
  .page-index__promo-title {
    font-size: 1.8em;
  }
  .page-index__step-title {
    font-size: 1.4em;
  }
  .page-index__faq-question-text {
    font-size: 1.2em;
  }
}

@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 !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 1. Top Section (Module 0) */
  .page-index__top-section {
    padding-top: 10px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__page-title {
    font-size: 1.8em !important;
    margin-bottom: 10px !important;
  }
  .page-index__description {
    font-size: 1em !important;
    margin-bottom: 15px !important;
    text-align: left !important;
  }
  .page-index__top-cta {
    flex-direction: column !important;
    gap: 10px !important;
    margin-bottom: 20px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }
  .page-index__btn {
    width: 100% !important;
    max-width: 100% !important;
    font-size: 1em !important;
    padding: 10px 20px !important;
  }

  /* 2. Single Column Long Text Container (Modules 1, 2, 3, 4, 5, 6) */
  .page-index__section-title {
    font-size: 1.5em !important;
    margin-bottom: 15px !important;
  }
  .page-index__announcement-section p,
  .page-index__brand-overview-section p,
  .page-index__seo-content-section p,
  .page-index__register-tutorial-section p,
  .page-index__faq-section p {
    text-align: left !important;
    margin-bottom: 10px !important;
  }
  .page-index__feature-list,
  .page-index__fact-list,
  .page-index__promo-list,
  .page-index__contact-info {
    margin-left: 20px !important;
    margin-bottom: 15px !important;
  }
  .page-index__info-card,
  .page-index__warning-card,
  .page-index__promo-box {
    padding: 15px !important;
    margin-top: 20px !important;
    margin-bottom: 20px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__seo-content-section h2 {
    font-size: 1.4em !important;
    margin-top: 25px !important;
  }
  .page-index__seo-content-section h3 {
    font-size: 1.2em !important;
    margin-top: 20px !important;
  }
  .page-index blockquote {
    margin: 20px 0 !important;
    font-size: 1em !important;
  }
  .page-index__promo-title {
    font-size: 1.5em !important;
    margin-bottom: 15px !important;
  }

  /* 3. General Images and Figure */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-index__wp-caption {
    margin: 15px auto !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__wp-caption figcaption {
    font-size: 0.85em !important;
  }

  /* 4. Buttons and Button Containers */
  .page-index__btn,
  .page-index__btn--primary,
  .page-index__btn--secondary,
  .page-index a[class*="button"],
  .page-index a[class*="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 !important;
    padding-right: 15px !important;
  }
  .page-index__top-cta,
  .page-index__button-group,
  .page-index__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    flex-wrap: wrap !important;
    gap: 10px !important;
    flex-direction: column !important; /* Ensure vertical stacking for multiple buttons */
  }

  /* 5. Registration Tutorial (Module 5) and FAQ (Module 6) */
  .page-index__register-tutorial-section h2,
  .page-index__faq-section h2 {
    font-size: 1.5em !important;
    margin-bottom: 15px !important;
  }
  .page-index__step-title {
    font-size: 1.2em !important;
    margin-top: 20px !important;
  }
  .page-index__faq-question-text {
    font-size: 1.1em !important;
    margin-top: 15px !important;
  }
  .page-index__contact-intro {
    margin-top: 20px !important;
  }
}