/* style/index.css */

:root {
  --primary-color: #E53935;
  --secondary-color: #FF5A4F;
  --text-main-color: #333333;
  --card-bg-color: #FFFFFF;
  --background-color: #F5F7FA;
  --border-color: #E0E0E0;
  --btn-gradient: linear-gradient(180deg, var(--secondary-color) 0%, var(--primary-color) 100%);
  --promo-box-bg: #fffbe6;
  --promo-box-border: #111;
  --warning-card-bg: #fff4f4;
  --warning-card-border-left: #ff4141;
  --cta-blue: #0066ff;
  --cta-red-strong: #d62828;
}

.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Default text color for light body background */
  background-color: var(--background-color); /* Matches the F5F7FA body 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; /* Minimal top padding, body handles header offset */
  padding-bottom: 30px;
  text-align: center;
}

.page-index__page-title {
  font-size: 2.8em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 25px;
  line-height: 1.2;
  text-align: center;
}

.page-index__top-cta {
  display: flex;
  gap: 20px;
  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: 700;
  font-size: 1.1em;
  min-height: 44px; /* Minimum touch target height */
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn--primary {
  background: var(--btn-gradient);
  color: #ffffff;
  border: none;
}

.page-index__btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__btn--secondary {
  background-color: #ffffff;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-index__btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-index__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 25px;
  text-align: center;
}

.page-index__section-title--notification {
  color: var(--cta-red-strong);
  font-size: 1.8em;
}

.page-index__announcement-section p,
.page-index__brand-overview-section p,
.page-index__seo-content-section p,
.page-index__faq-section p {
  margin-bottom: 15px;
  color: var(--text-main-color);
}

.page-index__feature-list,
.page-index__fact-list,
.page-index__why-choose-us-list,
.page-index__product-list,
.page-index__recognition-list,
.page-index__promo-list,
.page-index__contact-info {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: var(--text-main-color);
}

.page-index__feature-list li,
.page-index__fact-list li,
.page-index__why-choose-us-list li,
.page-index__product-list li,
.page-index__recognition-list li,
.page-index__promo-list li,
.page-index__contact-info li {
  margin-bottom: 8px;
}

.page-index__highlight-text {
  font-style: italic;
  color: var(--cta-red-strong);
  text-align: center;
  font-size: 1.1em;
  margin-top: 30px;
}

.page-index__link-promo,
.page-index__link-product,
.page-index__link-ceo {
  color: var(--cta-blue);
  text-decoration: underline;
}

.page-index__link-promo:hover,
.page-index__link-product:hover,
.page-index__link-ceo:hover {
  color: var(--primary-color);
}

.page-index__info-card {
  background: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 20px;
  margin: 30px 0;
  color: var(--text-main-color);
}

.page-index__info-card ul {
  list-style-type: disc;
  margin-left: 20px;
  padding: 0;
  margin-top: 10px;
}

.page-index__info-card p strong {
  color: var(--primary-color);
}

.page-index__warning-card {
  background: var(--warning-card-bg);
  border-left: 5px solid var(--warning-card-border-left);
  border-radius: 8px;
  padding: 20px;
  margin: 30px 0;
  color: var(--text-main-color);
}

.page-index__warning-card strong {
  color: var(--warning-card-border-left);
}

.page-index__seo-content-section h3 {
  font-size: 1.6em;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-index__wp-caption {
  margin: 25px auto;
  display: block;
  max-width: 680px; /* Max width for blog images */
  width: 100%;
  box-sizing: border-box;
  text-align: center;
}

.page-index__wp-caption img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

.page-index__seo-content-section blockquote {
  border-left: 5px solid var(--primary-color);
  padding: 15px 20px;
  margin: 30px 0;
  background-color: #f9f9f9;
  font-style: italic;
  color: var(--text-main-color);
}

.page-index__quote-text {
  font-size: 1.2em;
  margin-bottom: 10px;
}

.page-index__quote-cite {
  display: block;
  text-align: right;
  font-size: 0.9em;
  color: #666;
}

.page-index__promo-box-section {
  padding: 50px 0;
}

.page-index__promo-box {
  background: var(--promo-box-bg);
  border: 2px dashed var(--promo-box-border);
  border-radius: 10px;
  padding: 40px 30px;
  margin: 0 auto;
  max-width: 800px;
  text-align: center;
  box-sizing: border-box;
  color: var(--text-main-color);
}

.page-index__promo-title {
  font-size: 2em;
  color: var(--cta-red-strong);
  margin-bottom: 25px;
  font-weight: 700;
  line-height: 1.2;
}

.page-index__promo-list {
  list-style-type: none;
  padding: 0;
  margin: 0 0 30px 0;
  font-size: 1.1em;
}

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

.page-index__btn--promo {
  background-color: var(--cta-red-strong);
  color: #ffffff;
  border: none;
  padding: 15px 40px;
  font-size: 1.2em;
  border-radius: 8px;
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.page-index__btn--promo:hover {
  background-color: #ff0000;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-index__register-tutorial-section h3 {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--primary-color);
  margin-top: 40px;
  margin-bottom: 20px;
  text-align: center;
}

.page-index__faq-section h3 {
  font-size: 1.6em;
  font-weight: 600;
  color: var(--primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-index__contact-info {
  list-style-type: none;
  padding: 0;
  margin-left: 0;
  margin-top: 20px;
}

.page-index__contact-info li {
  margin-bottom: 10px;
}

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

  .page-index__article-wrap {
    padding: 0 15px;
  }

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

  /* 1. 顶区标题 + 双 CTA */
  .page-index__top-section {
    padding-top: 10px !important; /* Minimal top padding */
    padding-bottom: 20px;
  }

  .page-index__page-title {
    font-size: 2em;
    margin-bottom: 20px;
  }

  .page-index__top-cta {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
  }

  .page-index__btn,
  .page-index__btn--primary,
  .page-index__btn--secondary,
  .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;
    padding-right: 15px;
  }

  /* 2. 单栏长文容器 */
  .page-index__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-index__section-title--notification {
    font-size: 1.5em;
  }

  .page-index__info-card,
  .page-index__warning-card {
    padding: 15px;
    margin: 20px 0;
  }

  .page-index__seo-content-section h3 {
    font-size: 1.4em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-index__promo-box {
    padding: 30px 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__promo-title {
    font-size: 1.6em;
    margin-bottom: 20px;
  }

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

  .page-index__wp-caption {
    margin: 20px auto;
  }

  .page-index__figcaption {
    font-size: 0.85em;
  }

  /* 4. 按钮与按钮容器 (handled by .page-index__btn above, ensure containers too) */
  .page-index__top-cta,
  .page-index__promo-box-section .page-index__article-wrap,
  .page-index__promo-box {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 5. 注册教程与 FAQ 区块 */
  .page-index__register-tutorial-section h2,
  .page-index__faq-section h2 {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-index__register-tutorial-section h3 {
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-index__faq-section h3 {
    font-size: 1.4em;
    margin-top: 25px;
    margin-bottom: 10px;
  }

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

  .page-index__contact-info li {
    font-size: 0.95em;
  }
}