.page-support {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #F5F7FA; /* Page background color */
}

.page-support__hero-section {
  padding-top: 10px; /* Small top padding, relying on body padding for header offset */
  text-align: center;
  background-color: #ffffff;
  margin-bottom: 30px;
  padding-bottom: 40px;
  border-radius: 8px;
  overflow: hidden;
}

.page-support__hero-image-wrapper {
  max-width: 100%;
  overflow: hidden;
  margin-bottom: 20px;
}

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

.page-support__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-support__main-title {
  font-size: 2.8em;
  font-weight: bold;
  color: #E53935;
  margin-bottom: 15px;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.page-support__description {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-support__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-support__btn--primary {
  background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
  color: #ffffff;
  border: none;
}

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

.page-support__btn--secondary {
  background: #ffffff;
  color: #E53935;
  border: 2px solid #E53935;
}

.page-support__btn--secondary:hover {
  background: #E53935;
  color: #ffffff;
}

.page-support__btn--link {
  color: #E53935;
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
}

.page-support__btn--link:hover {
  color: #FF5A4F;
}

.page-support__section {
  max-width: 1150px;
  margin: 0 auto 40px auto;
  padding: 30px 20px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.page-support__section-title {
  font-size: 2em;
  color: #E53935;
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
}

.page-support__main-channels .page-support__section-title {
    margin-bottom: 40px;
}

.page-support__channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.page-support__channel-card {
  background: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}

.page-support__card-title {
  font-size: 1.5em;
  color: #E53935;
  margin-bottom: 15px;
  font-weight: bold;
}

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

.page-support__phone-number {
    font-size: 1.1em;
    color: #333333;
    margin-bottom: 20px;
}

.page-support__contact-form {
  width: 100%;
  text-align: left;
}

.page-support__form-group {
  margin-bottom: 15px;
}

.page-support__form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #333333;
}

.page-support__form-group input[type="text"],
.page-support__form-group textarea {
  width: calc(100% - 20px);
  padding: 10px;
  border: 1px solid #E0E0E0;
  border-radius: 5px;
  font-size: 1em;
  color: #333333;
  background-color: #fcfcfc;
}

.page-support__form-group input[type="text"]:focus,
.page-support__form-group textarea:focus {
  border-color: #FF5A4F;
  outline: none;
}

.page-support__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-support__faq-item {
  background: #FFFFFF;
  border: 1px solid #E0E0E0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-support__faq-item[open] {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
  background-color: #fdfdfd;
  user-select: none;
}

.page-support__faq-question::-webkit-details-marker {
  display: none;
}

.page-support__faq-question::marker {
  display: none;
}

.page-support__faq-qtext {
    flex-grow: 1;
    text-align: left;
}

.page-support__faq-toggle {
  font-size: 1.5em;
  color: #E53935;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

.page-support__faq-item[open] .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #555555;
  text-align: left;
}

.page-support__faq-answer p {
    margin-bottom: 10px;
}

.page-support__faq-answer a {
    color: #E53935;
    text-decoration: underline;
}

.page-support__faq-answer a:hover {
    color: #FF5A4F;
}

.page-support__guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.page-support__guide-card {
  background: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-align: center;
}

.page-support__guide-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-bottom: 1px solid #E0E0E0;
}

.page-support__guide-card .page-support__card-title {
  padding: 20px 15px 10px 15px;
  margin-bottom: 0;
  flex-grow: 0;
}

.page-support__guide-card .page-support__card-text {
  padding: 0 15px 20px 15px;
  margin-bottom: 0;
  flex-grow: 1;
}

.page-support__guide-card .page-support__btn--link {
  margin-top: auto;
  padding-bottom: 20px;
}

.page-support__policies-section .page-support__text-block {
  font-size: 1.1em;
  color: #555555;
  text-align: center;
  margin-bottom: 25px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-support__policy-list {
  list-style: none;
  padding: 0;
  text-align: center;
  margin-top: 20px;
}

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

.page-support__policy-list li a {
  color: #E53935;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.05em;
}

.page-support__policy-list li a:hover {
  color: #FF5A4F;
  text-decoration: underline;
}

.page-support__commitment-section {
  background: #E53935; /* Dark background */
  color: #ffffff; /* Light text */
  text-align: center;
}

.page-support__commitment-section .page-support__section-title {
  color: #ffffff;
}

.page-support__commitment-section .page-support__text-block {
  color: #f0f0f0;
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 30px auto;
}

.page-support__commitment-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.page-support__ready-to-experience {
  text-align: center;
  padding-bottom: 50px;
}

.page-support__ready-to-experience .page-support__description {
  margin-top: 20px;
  margin-bottom: 30px;
}

.page-support__app-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 40px auto 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-support__main-title {
    font-size: 2.2em;
  }
  .page-support__description {
    font-size: 1em;
  }
  .page-support__section-title {
    font-size: 1.8em;
  }
  .page-support__channel-grid,
  .page-support__guides-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

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

  /* 顶区标题 + 双 CTA */
  .page-support__hero-section {
    padding-top: 10px !important;
    padding-left: 15px;
    padding-right: 15px;
    margin-bottom: 20px;
  }
  .page-support__hero-content {
    padding: 0 15px;
  }
  .page-support__main-title {
    font-size: 1.8em !important;
    line-height: 1.3 !important;
  }
  .page-support__description {
    font-size: 0.95em !important;
  }
  .page-support__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
    padding: 0 15px;
  }
  .page-support__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 单栏长文容器 */
  .page-support__section {
    margin: 0 auto 20px auto;
    padding: 25px 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-support__section-title {
    font-size: 1.5em !important;
    margin-bottom: 20px !important;
  }
  .page-support__text-block {
    font-size: 1em !important;
    padding: 0 5px;
  }

  /* 通用图片与 figure */
  .page-support img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-support__hero-image-wrapper,
  .page-support__guide-image,
  .page-support__commitment-image,
  .page-support__app-image {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 按钮与按钮容器 */
  .page-support__contact-form .page-support__btn {
    width: auto !important; /* Allow button to size to content within form */
    max-width: 100% !important;
    padding: 12px 20px !important;
  }
  .page-support__channel-card .page-support__btn {
    width: 100% !important;
    max-width: 100% !important;
  }

  /* 注册教程与 FAQ 区块 */
  .page-support__faq-question {
    padding: 15px 20px !important;
    font-size: 1.05em !important;
  }
  .page-support__faq-answer {
    padding: 0 20px 15px 20px !important;
    font-size: 0.95em !important;
  }
  .page-support__channel-grid,
  .page-support__guides-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-support__channel-card,
  .page-support__guide-card {
    padding: 25px 15px;
  }
  .page-support__policy-list {
    padding: 0 15px;
  }
  .page-support__policy-list li a {
    font-size: 1em;
  }
}