.page-faq {
  --faq-gold-line: var(--color-gold, #D4A843);
  --faq-bg: var(--color-bg, #F5F0E8);
  --faq-text: var(--color-text, #1A1A1A);
  --faq-navy: var(--color-navy, #1B3A5C);
  --faq-navy-dark: var(--color-navy-dark, #0F2027);
  --faq-ash: var(--color-ash, #E0DCD5);
  --faq-font-heading: var(--font-heading, "PingFang SC", "Microsoft YaHei", sans-serif);
  --faq-font-body: var(--font-body, "PingFang SC", "Microsoft YaHei", sans-serif);
  --faq-font-small: var(--font-small, "PingFang SC", sans-serif);
  --faq-radius: 4px;
  --faq-transition: 0.3s ease;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
  background-color: var(--faq-bg);
  color: var(--faq-text);
  font-family: var(--faq-font-body);
  box-sizing: border-box;
}

.page-faq *,
.page-faq *::before,
.page-faq *::after {
  box-sizing: inherit;
}

/* 头部区域 */
.page-faq .faq-hero {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--faq-ash);
}

.page-faq .faq-hero-image {
  width: 200px;
  height: 200px;
  object-fit: contain;
  flex-shrink: 0;
  background: transparent;
}

.page-faq .faq-hero-text {
  flex: 1;
  min-width: 0;
}

.page-faq .breadcrumb ol {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
  display: flex;
  gap: 0.5rem;
  font-family: var(--faq-font-small);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--faq-navy);
}

.page-faq .breadcrumb ol li + li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--faq-ash);
}

.page-faq .breadcrumb a {
  color: var(--faq-navy);
  text-decoration: none;
  transition: color var(--faq-transition);
}

.page-faq .breadcrumb a:hover {
  color: var(--faq-gold-line);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--faq-gold-line);
}

.page-faq .faq-title {
  font-family: var(--faq-font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--faq-text);
  line-height: 1.1;
}

.page-faq .faq-subtitle {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--faq-navy-dark);
  margin: 0;
  max-width: 600px;
}

/* 手风琴列表容器 */
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 每个问题分组 */
.page-faq .faq-group {
  border: none;
  padding: 0;
}

.page-faq .faq-group-heading {
  font-family: var(--faq-font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  position: relative;
  color: var(--faq-navy);
}

.page-faq .faq-group-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--faq-gold-line);
}

/* 手风琴项 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-ash);
  margin-bottom: 0;
  background:
    linear-gradient(to right, transparent 0%, transparent 100%),
    var(--faq-bg);
  background-size: 100% 100%;
  transition: background var(--faq-transition);
}

.page-faq .faq-item[open] {
  background:
    linear-gradient(to right, transparent 0%, transparent 100%),
    var(--faq-bg);
}

/* 问题标题（summary） */
.page-faq .faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 1rem 0.5rem;
  font-family: var(--faq-font-heading);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--faq-text);
  transition: color var(--faq-transition);
  position: relative;
}

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

/* 斜线装饰 */
.page-faq .faq-question::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 1.2em;
  background: var(--faq-gold-line);
  flex-shrink: 0;
  transform: skewX(-20deg);
  border-radius: 2px;
  transition: transform var(--faq-transition), height var(--faq-transition);
}

.page-faq .faq-question:hover {
  color: var(--faq-gold-line);
}

.page-faq .faq-question:hover::before {
  transform: skewX(-20deg) scaleY(1.2);
  height: 1.4em;
}

/* 展开指示器 */
.page-faq .faq-question::after {
  content: "+";
  margin-left: auto;
  font-family: var(--faq-font-heading);
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--faq-navy);
  transition: transform var(--faq-transition), color var(--faq-transition);
  flex-shrink: 0;
  line-height: 1;
}

.page-faq .faq-item[open] .faq-question::after {
  content: "−";
  transform: rotate(0deg);
  color: var(--faq-gold-line);
}

/* 答案区域 */
.page-faq .faq-answer {
  padding: 0 0.5rem 1.25rem 1.75rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--faq-text);
  animation: faq-fade-in 0.25s ease;
}

.page-faq .faq-answer a {
  color: var(--faq-navy);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--faq-ash);
  transition: color var(--faq-transition), text-decoration-color var(--faq-transition);
}

.page-faq .faq-answer a:hover {
  color: var(--faq-gold-line);
  text-decoration-color: var(--faq-gold-line);
}

@keyframes faq-fade-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 页脚引用 */
.page-faq .faq-footer-note {
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid var(--faq-ash);
  text-align: center;
}

.page-faq .faq-footer-note .small-index {
  font-family: var(--faq-font-small);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--faq-navy);
}

/* 移动端优先 */
@media (max-width: 768px) {
  .page-faq {
    padding: 1rem 1rem 3rem;
  }

  .page-faq .faq-hero {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
  }

  .page-faq .faq-hero-image {
    width: 120px;
    height: 120px;
  }

  .page-faq .faq-title {
    font-size: 1.8rem;
  }

  .page-faq .faq-subtitle {
    font-size: 0.9rem;
  }

  .page-faq .faq-group-heading {
    font-size: 1.2rem;
  }

  .page-faq .faq-question {
    font-size: 0.95rem;
    padding: 0.75rem 0.25rem;
  }

  .page-faq .faq-question::before {
    width: 3px;
    height: 1em;
  }

  .page-faq .faq-answer {
    padding: 0 0.25rem 1rem 1.25rem;
    font-size: 0.9rem;
  }

  .page-faq .faq-footer-note {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
  }
}