/* ===== 页面专属作用域 .page-faq ===== */
.page-faq {
  --faq-red: #E63946;
  --faq-blue: #1D3557;
  --faq-blue-light: #2a4a7f;
  --faq-gold: #F4A261;
  --faq-green: #2A9D8F;
  --faq-dark: #2B2D42;
  --faq-light-gray: #F8F9FA;
  --faq-white: #FFFFFF;
  --faq-font-heading: "Oswald","Bebas Neue",sans-serif;
  --faq-font-body: "Noto Sans SC","Microsoft YaHei",sans-serif;
  --faq-font-data: "Fira Code","Consolas",monospace;
  --faq-radius-card: 16px;
  --faq-radius-btn: 50px;
  --faq-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --faq-shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
  --faq-transition: 0.3s ease;
  --faq-container-max: 1200px;

  max-width: var(--faq-container-max);
  margin: 0 auto;
  padding: 0 20px 60px;
  font-family: var(--faq-font-body);
  color: var(--faq-dark);
  background-color: var(--faq-white);
  line-height: 1.6;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  padding: 16px 0 8px;
  color: var(--faq-blue);
  flex-wrap: wrap;
}
.page-faq .breadcrumb a {
  color: var(--faq-blue);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--faq-transition);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--faq-red);
  text-decoration: underline;
}
.page-faq .breadcrumb-sep {
  color: var(--faq-blue-light);
  font-size: 18px;
  line-height: 1;
}
.page-faq .breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--faq-dark);
}

/* ---------- Hero ---------- */
.page-faq .faq-hero {
  padding: 20px 0 16px;
  border-bottom: 3px solid var(--faq-red);
  margin-bottom: 24px;
}
.page-faq .faq-hero-title {
  font-family: var(--faq-font-heading);
  font-size: 36px;
  font-weight: 700;
  color: var(--faq-blue);
  margin: 0 0 8px;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.page-faq .faq-hero-desc {
  font-size: 16px;
  color: var(--faq-dark);
  max-width: 680px;
  margin: 0;
}

/* ---------- 目录快速跳转 ---------- */
.page-faq .faq-toc {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  padding: 0 0 20px;
  margin-bottom: 8px;
}
.page-faq .toc-link {
  display: inline-block;
  padding: 8px 20px;
  font-size: 14px;
  font-weight: 600;
  color: var(--faq-blue);
  background-color: var(--faq-light-gray);
  border-radius: var(--faq-radius-btn);
  text-decoration: none;
  transition: background-color var(--faq-transition), color var(--faq-transition), box-shadow var(--faq-transition);
  border: 1px solid transparent;
}
.page-faq .toc-link:hover,
.page-faq .toc-link:focus-visible {
  background-color: var(--faq-red);
  color: var(--faq-white);
  box-shadow: var(--faq-shadow-sm);
}
.page-faq .toc-link:active {
  background-color: #c02d39;
}

/* ---------- 分类区块 ---------- */
.page-faq .faq-category {
  margin-bottom: 40px;
  scroll-margin-top: 24px;
}
.page-faq .faq-category-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--faq-font-heading);
  font-size: 26px;
  font-weight: 700;
  color: var(--faq-blue);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--faq-light-gray);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.page-faq .category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background-color: var(--faq-light-gray);
  border-radius: 50%;
}
.page-faq .category-icon svg {
  display: block;
}

/* ---------- FAQ 列表 ---------- */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ---------- 单个问题 (details) ---------- */
.page-faq .faq-item {
  background-color: var(--faq-light-gray);
  border-radius: var(--faq-radius-card);
  overflow: hidden;
  box-shadow: var(--faq-shadow-sm);
  transition: box-shadow var(--faq-transition);
  border: 1px solid transparent;
}
.page-faq .faq-item:hover {
  box-shadow: var(--faq-shadow-hover);
}
.page-faq .faq-item[open] {
  border-color: var(--faq-red);
  box-shadow: 0 4px 12px rgba(230,57,70,0.12);
}

/* ---------- 问题标题 (summary) ---------- */
.page-faq .faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 16px;
  font-weight: 600;
  color: var(--faq-dark);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background-color var(--faq-transition), color var(--faq-transition);
  position: relative;
}
.page-faq .faq-question::-webkit-details-marker {
  display: none;
}
.page-faq .faq-question::before {
  content: "";
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D3557' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='9 18 15 12 9 6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
  transition: transform var(--faq-transition);
}
.page-faq .faq-item[open] .faq-question::before {
  transform: rotate(90deg);
}
.page-faq .faq-question:hover,
.page-faq .faq-question:focus-visible {
  background-color: rgba(230,57,70,0.06);
  color: var(--faq-red);
}
.page-faq .faq-question:focus-visible {
  outline: 2px solid var(--faq-red);
  outline-offset: -2px;
  border-radius: var(--faq-radius-card) var(--faq-radius-card) 0 0;
}

/* ---------- 答案内容 ---------- */
.page-faq .faq-answer {
  padding: 0 20px 20px 56px;
  animation: faqFadeIn 0.3s ease;
}
@keyframes faqFadeIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.page-faq .answer-content {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.page-faq .answer-icon {
  width: 80px;
  height: 80px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: var(--faq-shadow-sm);
  border: 1px solid var(--faq-light-gray);
  background-color: var(--faq-white);
}
.page-faq .answer-text {
  flex: 1;
  min-width: 200px;
  font-size: 15px;
  color: var(--faq-dark);
}
.page-faq .answer-text p {
  margin: 0 0 10px;
}
.page-faq .answer-text p:last-child {
  margin-bottom: 0;
}
.page-faq .answer-text a {
  color: var(--faq-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  transition: color var(--faq-transition);
}
.page-faq .answer-text a:hover,
.page-faq .answer-text a:focus-visible {
  color: #c02d39;
  text-decoration: none;
}
.page-faq .answer-text strong {
  font-weight: 600;
  color: var(--faq-blue);
}

/* ---------- 联系列表 ---------- */
.page-faq .contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-faq .contact-list li {
  font-size: 14px;
  padding: 4px 0 4px 20px;
  position: relative;
}
.page-faq .contact-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--faq-red);
  font-weight: 600;
}
.page-faq .contact-list a {
  color: var(--faq-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
}
.page-faq .contact-list a:hover {
  color: var(--faq-red);
}
.page-faq .contact-note {
  font-size: 13px;
  color: #666;
  background-color: var(--faq-white);
  padding: 8px 12px;
  border-radius: 8px;
  border-left: 3px solid var(--faq-gold);
  margin-top: 6px;
}

/* ---------- 底部CTA ---------- */
.page-faq .faq-bottom-cta {
  margin-top: 32px;
  padding: 20px 24px;
  background: linear-gradient(135deg, var(--faq-blue) 0%, var(--faq-blue-light) 100%);
  border-radius: var(--faq-radius-card);
  text-align: center;
  color: var(--faq-white);
  font-size: 16px;
}
.page-faq .faq-bottom-cta p {
  margin: 0;
}
.page-faq .cta-link {
  display: inline-block;
  color: var(--faq-white);
  background-color: var(--faq-red);
  padding: 6px 22px;
  border-radius: var(--faq-radius-btn);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  margin-left: 6px;
  transition: background-color var(--faq-transition), transform var(--faq-transition);
}
.page-faq .cta-link:hover,
.page-faq .cta-link:focus-visible {
  background-color: #c02d39;
  transform: scale(1.02);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 640px) {
  .page-faq {
    padding: 0 12px 40px;
  }
  .page-faq .faq-hero-title {
    font-size: 26px;
  }
  .page-faq .faq-hero-desc {
    font-size: 14px;
  }
  .page-faq .faq-category-title {
    font-size: 20px;
    gap: 8px;
  }
  .page-faq .category-icon {
    width: 32px;
    height: 32px;
  }
  .page-faq .category-icon svg {
    width: 20px;
    height: 20px;
  }
  .page-faq .faq-question {
    font-size: 15px;
    padding: 14px 16px;
  }
  .page-faq .faq-answer {
    padding: 0 16px 16px 48px;
  }
  .page-faq .answer-content {
    flex-direction: column;
    gap: 12px;
  }
  .page-faq .answer-icon {
    width: 60px;
    height: 60px;
  }
  .page-faq .faq-toc {
    gap: 8px;
  }
  .page-faq .toc-link {
    font-size: 13px;
    padding: 6px 14px;
  }
  .page-faq .faq-bottom-cta {
    font-size: 14px;
    padding: 16px;
  }
  .page-faq .cta-link {
    font-size: 14px;
    padding: 5px 16px;
    display: inline-block;
    margin: 6px 0 0;
  }
}

/* ---------- 桌面微调 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 32px 0 20px;
  }
  .page-faq .faq-hero-title {
    font-size: 44px;
  }
  .page-faq .faq-category-title {
    font-size: 30px;
  }
  .page-faq .faq-list {
    gap: 12px;
  }
  .page-faq .answer-text {
    font-size: 16px;
  }
}

/* ---------- 确保图片自适应 ---------- */
.page-faq img {
  max-width: 100%;
  height: auto;
}

/* ---------- 打印优化 ---------- */
@media print {
  .page-faq {
    padding: 0;
    max-width: 100%;
  }
  .page-faq .faq-toc {
    display: none;
  }
  .page-faq .faq-item[open] .faq-answer {
    display: block !important;
  }
}