/* Base styles for the support page */
.page-support {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Default dark text for light background */
  line-height: 1.6;
  background-color: #FFFFFF; /* Explicitly set for contrast calculation */
}

/* Hero Section */
.page-support__hero-section {
  position: relative;
  overflow: hidden;
  padding-bottom: 40px; /* Adjust padding-bottom for content */
  padding-top: 10px; /* Small top padding, relying on body for header offset */
}

.page-support__hero-image {
  width: 100%;
  height: 450px; /* Fixed height for desktop hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-support__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Cover for desktop to fill space */
  display: block;
}

.page-support__hero-content {
  position: relative; /* Ensure content is above image if any overlap */
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.page-support__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Responsive font size */
  color: #017439;
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-support__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Call to Action Buttons */
.page-support__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-support__btn-primary,
.page-support__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
}

.page-support__btn-primary {
  background-color: #C30808; /* Register/Login red */
  color: #FFFF00; /* Register/Login yellow font */
  border: 2px solid #C30808;
}

.page-support__btn-primary:hover {
  background-color: #a00606;
  border-color: #a00606;
  color: #ffffff;
}

.page-support__btn-secondary {
  background-color: #FFFFFF;
  color: #017439;
  border: 2px solid #017439;
}

.page-support__btn-secondary:hover {
  background-color: #017439;
  color: #FFFFFF;
}

/* General Section Styles */
.page-support__section {
  padding: 60px 0;
}

.page-support__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-support__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: #017439;
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
}

.page-support__section-title--white {
  color: #FFFFFF;
}

.page-support__text-block {
  font-size: 1.05rem;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Light and Dark Background Sections */
.page-support__light-bg {
  background-color: #f8f8f8;
  color: #333333;
}

.page-support__dark-bg {
  background-color: #017439;
  color: #FFFFFF;
}

.page-support__description--white {
  color: #FFFFFF;
}

/* Getting Started Section Grid */
.page-support__grid {
  display: grid;
  gap: 30px;
  margin-top: 40px;
}

.page-support__grid--3-cols {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-support__grid--2-cols {
  grid-template-columns: 1fr 1fr;
}

.page-support__card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

.page-support__card:hover {
  transform: translateY(-5px);
}

.page-support__card-title {
  font-size: 1.4rem;
  color: #017439;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__card-text {
  font-size: 0.95rem;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__card--white {
  background-color: #FFFFFF;
  color: #333333;
}

/* Common Issues Section */
.page-support__content-block {
  margin-bottom: 30px;
}

.page-support__sub-title {
  font-size: 1.6rem;
  color: #017439;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__content-block p {
  font-size: 1.05rem;
  margin-bottom: 15px;
}

.page-support__image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  margin-bottom: 20px;
  display: block; /* Ensure block for margin auto */
}

.page-support__image--right {
  float: right;
  margin-left: 30px;
  width: 400px; /* Example fixed width for floating image */
}

.page-support__image--left {
  float: left;
  margin-right: 30px;
  width: 400px; /* Example fixed width for floating image */
}

.page-support__image--center {
  margin-left: auto;
  margin-right: auto;
}

.page-support__content-block--full-width {
  clear: both; /* Clear floats */
  padding-top: 30px;
}

.page-support__content-block--white {
  background-color: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark background */
  padding: 30px;
  border-radius: 10px;
  color: #FFFFFF;
}

.page-support__content-block--white .page-support__sub-title {
  color: #FFFFFF;
}

.page-support__content-block--white p {
  color: #f0f0f0;
}

/* Contact Support Section */
.page-support__contact-options {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 40px;
}

.page-support__contact-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  flex: 1;
  max-width: 450px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-support__contact-card-title {
  font-size: 1.5rem;
  color: #017439;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-support__contact-card-text {
  font-size: 1rem;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* FAQ Section */
.page-support__faq-list {
  margin-top: 40px;
}

details.page-support__faq-item {
  margin-bottom: 15px;
  border-radius: 8px; /* Slightly larger border radius for modern look */
  border: 1px solid #e0e0e0;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.05); /* Subtle shadow */
}
details.page-support__faq-item summary.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-support__faq-item summary.page-support__faq-question::-webkit-details-marker {
  display: none;
}
details.page-support__faq-item summary.page-support__faq-question:hover {
  background: #f5f5f5;
}
.page-support__faq-qtext {
  flex: 1;
  font-size: 1.1rem; /* Slightly larger font size */
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #017439; /* Brand color for questions */
}
.page-support__faq-toggle {
  font-size: 28px; /* Larger toggle icon */
  font-weight: bold;
  color: #666;
  flex-shrink: 0;
  margin-left: 15px;
  width: 32px; /* Larger toggle area */
  text-align: center;
}
details.page-support__faq-item .page-support__faq-answer {
  padding: 0 20px 20px;
  background: #f9f9f9;
  border-radius: 0 0 8px 8px;
  font-size: 1rem;
  color: #555555;
}
details.page-support__faq-item .page-support__faq-answer p {
  margin-bottom: 0; /* No extra margin for last paragraph in answer */
}


/* Conclusion Section */
.page-support__conclusion-section {
  text-align: center;
}

/* Responsive Styles */

/* Medium devices (tablets, 768px and up) and above, but below 1024px */
@media (max-width: 1024px) {
  .page-support__hero-image {
    height: 350px;
  }
  .page-support__main-title {
    font-size: clamp(2rem, 5vw, 2.8rem);
  }
  .page-support__section-title {
    font-size: clamp(1.6rem, 4.5vw, 2.4rem);
  }
  .page-support__grid--3-cols {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
  .page-support__grid--2-cols {
    grid-template-columns: 1fr; /* Stack on smaller tablets */
  }
  .page-support__image--right,
  .page-support__image--left {
    float: none;
    margin: 20px auto;
    width: 100%;
    max-width: 500px; /* Constrain floating images */
  }
  .page-support__contact-options {
    flex-direction: column;
    align-items: center;
  }
  .page-support__contact-card {
    max-width: 500px;
  }
}

/* Small devices (phones, 768px and down) */
@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-support__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 20px;
  }
  .page-support__hero-image {
    height: auto; /* Allow image to scale with aspect ratio */
    aspect-ratio: unset; /* Remove fixed aspect ratio */
    overflow: hidden;
  }
  .page-support__hero-image img {
    object-fit: contain !important; /* Prevent cropping on mobile */
    height: auto !important; /* Ensure height scales */
    width: 100% !important; /* Ensure width scales */
  }
  .page-support__hero-content {
    padding: 20px 15px;
  }
  .page-support__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-support__description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  /* 按钮与按钮容器 */
  .page-support__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px; /* Add padding to container */
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-support__btn-primary,
  .page-support__btn-secondary,
  .page-support a[class*="button"],
  .page-support 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: 12px 20px !important;
  }

  /* 通用图片与容器 */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-support__section,
  .page-support__card,
  .page-support__container,
  .page-support__content-block,
  .page-support__contact-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-support__section {
    padding: 40px 0;
  }
  .page-support__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 30px;
  }
  .page-support__sub-title {
    font-size: 1.4rem;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-support__text-block,
  .page-support__content-block p {
    font-size: 0.95rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: left; /* Default text align */
  }
  .page-support__grid {
    grid-template-columns: 1fr; /* Stack all cards */
    gap: 20px;
  }
  .page-support__image--right,
  .page-support__image--left,
  .page-support__image--center {
    float: none;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
    max-width: 100%;
  }
  .page-support__image {
    border-radius: 5px; /* Slightly smaller radius for mobile */
  }

  /* FAQ Section */
  details.page-support__faq-item summary.page-support__faq-question {
    padding: 15px;
  }
  .page-support__faq-qtext {
    font-size: 1rem;
  }
  .page-support__faq-toggle {
    font-size: 24px;
    width: 28px;
  }
  details.page-support__faq-item .page-support__faq-answer {
    padding: 0 15px 15px;
  }
  details.page-support__faq-item .page-support__faq-answer p {
    font-size: 0.95rem;
  }
}