/* style/support.css */
.page-support {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background: #FFFFFF; /* Body background */
}

.page-support__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10px; /* Small top padding, relying on body for header offset */
  padding-bottom: 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

.page-support__hero-content-wrapper {
  padding: 20px;
  max-width: 900px;
  margin-top: 20px;
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #26A9E0;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-support__hero-description {
  font-size: 1.15rem;
  color: #555555;
  margin-bottom: 30px;
}

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

.page-support__btn {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-support__btn-primary:hover {
  background-color: #1e87c0;
  border-color: #1e87c0;
}

.page-support__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-support__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1e87c0;
  border-color: #1e87c0;
}

.page-support__article-wrap {
  max-width: 1150px;
  margin: 0 auto;
  padding: 40px 20px;
}

.page-support__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: #26A9E0;
  text-align: center;
  margin-bottom: 30px;
  position: relative;
  padding-bottom: 15px;
}

.page-support__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #26A9E0;
  border-radius: 2px;
}

.page-support__sub-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: #333333;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-support__paragraph {
  font-size: 1.1rem;
  margin-bottom: 20px;
  line-height: 1.7;
  color: #333333;
}

.page-support__highlight {
  color: #26A9E0;
  font-weight: 700;
}

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

.page-support__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: block;
}

.page-support__figcaption {
  font-size: 0.95rem;
  color: #666666;
  margin-top: 10px;
  font-style: italic;
}

.page-support__dark-bg {
  background-color: #26A9E0;
  color: #ffffff; /* Text color for dark background */
}

.page-support__dark-bg .page-support__section-title,
.page-support__dark-bg .page-support__sub-title,
.page-support__dark-bg .page-support__paragraph,
.page-support__dark-bg .page-support__card-title,
.page-support__dark-bg .page-support__card-text,
.page-support__dark-bg .page-support__list-item {
  color: #ffffff;
}

.page-support__dark-bg .page-support__section-title::after {
  background-color: #ffffff;
}

.page-support__dark-bg .page-support__highlight {
  color: #ffd700; /* Gold for contrast on blue */
}

.page-support__light-bg {
  background-color: #FFFFFF;
  color: #333333; /* Text color for light background */
}

.page-support__info-card,
.page-support__issue-card,
.page-support__feature-card,
.page-support__tip-card {
  background-color: #ffffff;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  padding: 30px;
  margin-bottom: 25px;
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-support__dark-bg .page-support__info-card,
.page-support__dark-bg .page-support__issue-card,
.page-support__dark-bg .page-support__feature-card,
.page-support__dark-bg .page-support__tip-card {
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.page-support__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: #26A9E0;
  margin-bottom: 15px;
}

.page-support__dark-bg .page-support__card-title {
  color: #ffd700;
}

.page-support__card-text {
  font-size: 1rem;
  color: #555555;
  margin-bottom: 20px;
}

.page-support__dark-bg .page-support__card-text {
  color: #ffffff;
}

.page-support__step-card {
  background-color: #f7f7f7;
  border-left: 5px solid #26A9E0;
  border-radius: 8px;
  padding: 25px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-support__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #26A9E0;
  margin-bottom: 10px;
}

.page-support__step-text {
  font-size: 1rem;
  color: #444444;
}

.page-support__list {
  list-style: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: #333333;
}

.page-support__list-item {
  font-size: 1rem;
  margin-bottom: 8px;
  line-height: 1.5;
}

.page-support__dark-bg .page-support__list,
.page-support__dark-bg .page-support__list-item {
  color: #ffffff;
}

.page-support__conclusion-cta {
  padding: 60px 20px;
  text-align: center;
}

.page-support__conclusion-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-support__copyright {
  font-size: 0.9rem;
  color: #777777;
  margin-top: 50px;
}

/* --- Mobile Responsive Styles --- */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }

  .page-support__hero-description {
    font-size: 1.05rem;
  }

  .page-support__btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .page-support__section-title {
    font-size: 2rem;
  }

  .page-support__sub-title {
    font-size: 1.5rem;
  }

  .page-support__paragraph {
    font-size: 1rem;
  }

  .page-support__card-title {
    font-size: 1.3rem;
  }

  .page-support__card-text {
    font-size: 0.95rem;
  }
}

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

  /* 1. 顶区标题 + 双 CTA */
  .page-support__hero-section {
    padding-top: 10px !important;
    padding-bottom: 30px;
  }

  .page-support__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 10px;
  }

  .page-support__hero-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

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

  .page-support__btn {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px;
  }

  /* 2. 单栏长文容器 */
  .page-support__article-wrap {
    padding: 30px 15px;
  }

  .page-support__section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
  }

  .page-support__sub-title {
    font-size: 1.3rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-support__paragraph {
    font-size: 0.95rem;
    margin-bottom: 15px;
  }

  .page-support__info-card,
  .page-support__issue-card,
  .page-support__feature-card,
  .page-support__tip-card {
    padding: 20px;
    margin-bottom: 20px;
  }

  .page-support__card-title {
    font-size: 1.2rem;
    margin-bottom: 10px;
  }

  .page-support__card-text {
    font-size: 0.9rem;
    margin-bottom: 15px;
  }

  .page-support__step-card {
    padding: 20px;
    margin-bottom: 15px;
  }

  .page-support__step-title {
    font-size: 1.1rem;
    margin-bottom: 8px;
  }

  .page-support__step-text {
    font-size: 0.9rem;
  }

  .page-support__list {
    margin-left: 20px;
    margin-bottom: 15px;
  }

  .page-support__list-item {
    font-size: 0.9rem;
    margin-bottom: 6px;
  }

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

  .page-support__figure {
    margin: 20px auto;
  }

  .page-support__figcaption {
    font-size: 0.85rem;
  }

  /* 4. 按钮与按钮容器 (already covered by .page-support__btn) */
  .page-support__hero-cta-buttons,
  .page-support__conclusion-buttons {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column;
    gap: 10px;
  }

  /* 5. 注册教程与 FAQ 区块 (FAQ is handled by details/summary if present, otherwise no specific JS for it) */
  /* For elements that might be part of a 'tutorial' or 'FAQ' layout */
  .page-support__section,
  .page-support__card,
  .page-support__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__copyright {
    margin-top: 30px;
  }
}