.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #1F2D3D; /* Text Main */
  background-color: #F4F7FB; /* Background */
}

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

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

.page-index__top-section {
  padding-top: 10px;
  text-align: center;
  background-color: #F4F7FB; /* Ensure consistent background */
}

.page-index__page-title {
  font-size: 2.8em;
  font-weight: bold;
  color: #1F2D3D; /* Text Main */
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-index__intro-description {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #1F2D3D;
}

.page-index__top-cta {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-bottom: 40px;
  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;
  min-height: 44px;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  transition: all 0.3s ease;
}

.page-index__btn--primary {
  background: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%); /* Button gradient */
  color: #ffffff;
  border: 2px solid transparent;
}

.page-index__btn--primary:hover {
  background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%);
}

.page-index__btn--secondary {
  background: #ffffff;
  color: #2F6BFF; /* Main color */
  border: 2px solid #2F6BFF; /* Main color */
}

.page-index__btn--secondary:hover {
  background: #F4F7FB; /* Background color */
  color: #2F6BFF;
}

.page-index__section-title {
  font-size: 2em;
  font-weight: bold;
  color: #1F2D3D; /* Text Main */
  text-align: center;
  margin-bottom: 30px;
}

.page-index__announcement-section {
  background-color: #F4F7FB;
}

.page-index__benefits-list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__benefits-list li {
  margin-bottom: 10px;
  color: #1F2D3D;
}

.page-index__emphasis-text {
  font-style: italic;
  color: #d62828;
  text-align: center;
  font-weight: bold;
  margin-top: 20px;
}

.page-index__link-emphasis {
  color: #d62828;
  text-decoration: underline;
}

.page-index__brand-overview-section {
  background-color: #F4F7FB;
}

.page-index__fact-list {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 30px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 15px;
  color: #1F2D3D;
}

.page-index__fact-list li {
  margin-bottom: 10px;
  background-color: #FFFFFF;
  padding: 15px;
  border-radius: 8px;
  border: 1px solid #D6E2FF; /* Border color */
  box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.page-index__info-card {
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 30px;
  color: #1F2D3D;
}

.page-index__card-list {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 15px;
  margin-bottom: 15px;
}

.page-index__card-list li {
  margin-bottom: 8px;
}

.page-index__warning-card {
  background-color: #fff4f4;
  border-left: 5px solid #ff4141;
  padding: 20px;
  border-radius: 8px;
  color: #1F2D3D;
  font-size: 0.95em;
}

.page-index__seo-content-section {
  background-color: #F4F7FB;
}

.page-index__seo-content-section h2 {
  font-size: 1.8em;
  font-weight: bold;
  color: #1F2D3D;
  margin-top: 40px;
  margin-bottom: 20px;
  text-align: left;
}

.page-index__seo-content-section h3 {
  font-size: 1.4em;
  font-weight: bold;
  color: #1F2D3D;
  margin-top: 30px;
  margin-bottom: 15px;
  text-align: left;
}

.page-index__seo-content-section p {
  margin-bottom: 15px;
  text-align: justify;
  color: #1F2D3D;
}

.page-index__recognition-list,
.page-index__advantages-list,
.page-index__product-list {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 20px;
  color: #1F2D3D;
}

.page-index__recognition-list li,
.page-index__advantages-list li,
.page-index__product-list li {
  margin-bottom: 10px;
}

.page-index__wp-caption {
  text-align: center;
  margin: 30px auto;
  max-width: 680px;
}

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

.page-index__wp-caption figcaption {
  font-size: 0.9em;
  color: #666;
  margin-top: 10px;
  font-style: italic;
}

.page-index__quote {
  font-style: italic;
  border-left: 4px solid #2F6BFF; /* Main color */
  padding-left: 20px;
  margin: 30px 0;
  color: #1F2D3D;
  font-size: 1.1em;
}

.page-index__promo-box-section {
  background-color: #F4F7FB;
}

.page-index__promo-box {
  background-color: #fffbe6;
  border: 2px dashed #111;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  margin: 40px auto;
  max-width: 800px;
  box-sizing: border-box;
  color: #1F2D3D;
}

.page-index__promo-title {
  font-size: 1.8em;
  font-weight: bold;
  color: #d62828;
  margin-bottom: 20px;
}

.page-index__promo-list {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 30px;
  color: #1F2D3D;
}

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

.page-index__btn--promo {
  background-color: #d62828;
  color: #ffffff;
  border: 2px solid transparent;
  padding: 15px 40px;
  border-radius: 6px;
  font-size: 1.2em;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.3s ease;
}

.page-index__btn--promo:hover {
  background-color: #ed1c24;
}

.page-index__registration-tutorial-section {
  background-color: #F4F7FB;
}

.page-index__tutorial-step {
  margin-bottom: 40px;
}

.page-index__step-title {
  font-size: 1.6em;
  font-weight: bold;
  color: #2F6BFF; /* Main color */
  margin-bottom: 15px;
  text-align: left;
}

.page-index__step-details {
  list-style-type: disc;
  padding-left: 20px;
  margin-top: 10px;
  margin-bottom: 20px;
  color: #1F2D3D;
}

.page-index__faq-section {
  background-color: #F4F7FB;
  padding-bottom: 60px;
}

.page-index__faq-item {
  margin-bottom: 25px;
  border-bottom: 1px solid #D6E2FF; /* Border color */
  padding-bottom: 20px;
  color: #1F2D3D;
}

.page-index__faq-question {
  font-size: 1.3em;
  font-weight: bold;
  color: #2F6BFF; /* Main color */
  cursor: pointer;
  margin-bottom: 10px;
}

.page-index__faq-answer p {
  margin-top: 10px;
  padding-left: 10px;
  color: #1F2D3D;
  text-align: justify;
}

.page-index__conclusion-text {
  margin-top: 30px;
  font-size: 1.1em;
  text-align: center;
  color: #1F2D3D;
}

.page-index__contact-info {
  margin-top: 40px;
  text-align: center;
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 8px;
  border: 1px solid #D6E2FF;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.page-index__contact-title {
  font-size: 1.5em;
  color: #1F2D3D;
  margin-bottom: 20px;
}

.page-index__contact-list {
  list-style-type: none;
  padding-left: 0;
  color: #1F2D3D;
}

.page-index__contact-list li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-index__link {
  color: #2F6BFF;
  text-decoration: none;
}

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

/* General image responsiveness */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Media Queries for Responsive Design */
@media (max-width: 1024px) {
  .page-index__page-title {
    font-size: 2.5em;
  }

  .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__btn {
    padding: 10px 25px;
    font-size: 1em;
  }

  .page-index__promo-title {
    font-size: 1.6em;
  }

  .page-index__btn--promo {
    padding: 12px 30px;
    font-size: 1.1em;
  }

  .page-index__step-title {
    font-size: 1.4em;
  }

  .page-index__faq-question {
    font-size: 1.2em;
  }

  .page-index__fact-list {
    grid-template-columns: 1fr;
  }
}

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

  /* 1. 顶区标题 + 双 CTA */
  .page-index__top-section {
    padding-top: 10px !important;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box;
  }

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

  .page-index__intro-description {
    font-size: 1em !important;
    margin-bottom: 20px !important;
  }

  .page-index__top-cta {
    flex-direction: column !important;
    gap: 10px !important;
    margin-bottom: 30px !important;
    padding: 0 15px;
    box-sizing: border-box;
  }

  .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 !important;
    padding-right: 15px !important;
  }

  /* 2. 单栏长文容器 */
  .page-index__article-wrap {
    padding: 0 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-index__section-title {
    font-size: 1.5em !important;
    margin-bottom: 20px !important;
  }

  .page-index__info-card,
  .page-index__warning-card,
  .page-index__promo-box,
  .page-index__contact-info {
    padding: 20px !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 3. 通用图片与 figure */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-index__wp-caption {
    margin: 20px auto !important;
    max-width: 100% !important;
  }

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

  /* 4. 按钮与按钮容器 */
  .page-index__btn--promo {
    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;
  }

  /* 5. 注册教程与 FAQ 区块 */
  .page-index__tutorial-step {
    margin-bottom: 30px !important;
  }

  .page-index__step-title {
    font-size: 1.3em !important;
  }

  .page-index__faq-question {
    font-size: 1.1em !important;
  }

  .page-index__faq-answer p {
    padding-left: 0 !important;
  }

  .page-index__contact-title {
    font-size: 1.3em !important;
  }

  .page-index__fact-list li {
    padding: 10px !important;
  }

  .page-index__seo-content-section p,
  .page-index__benefits-list li,
  .page-index__fact-list li,
  .page-index__product-list li,
  .page-index__promo-list li,
  .page-index__step-details li,
  .page-index__faq-answer p,
  .page-index__contact-list li {
    font-size: 0.95em !important;
  }

  .page-index__quote {
    font-size: 1em !important;
    padding-left: 15px !important;
  }
}