.page-faq {
  --faq-card-bg: var(--color-white);
  --faq-card-border: var(--color-red);
  --faq-card-hover-border: var(--color-brightred);
  --faq-num-color: var(--color-gold);
  --faq-answer-bg: var(--color-lightgray);
  --faq-grad-start: var(--color-red);
  --faq-grad-end: var(--color-black);
  --faq-icon-color: var(--color-red);
  --faq-icon-active: var(--color-black);
  --faq-text-color: var(--color-black);
  --faq-muted: #666;
  --faq-radius: 4px;
  --faq-spacing: 16px;
  --faq-container-max: 960px;
  display: block;
  width: 100%;
  font-family: var(--font-primary);
  color: var(--faq-text-color);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 容器 */
.page-faq__container {
  max-width: var(--faq-container-max);
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* 面包屑 */
.page-faq__breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--faq-muted);
  margin-bottom: 24px;
  letter-spacing: 0.3px;
}
.page-faq__breadcrumb a {
  color: var(--color-red);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq__breadcrumb a:hover {
  color: var(--color-brightred);
  text-decoration: underline;
}
.page-faq__breadcrumb-sep {
  color: var(--color-darkgold);
  font-weight: 300;
  font-size: 14px;
}
.page-faq__breadcrumb [aria-current="page"] {
  color: var(--color-black);
  font-weight: 500;
}

/* 顶部标识区 */
.page-faq__hero {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 8px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--color-red);
}
.page-faq__hero-icon-wrap {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-red);
  border-radius: 50%;
  background: var(--color-black);
  overflow: hidden;
}
.page-faq__hero-icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 100%;
  filter: brightness(1.1);
}
.page-faq__hero-text {
  flex: 1;
  min-width: 0;
}
.page-faq__hero-title {
  margin: 0 0 4px;
  font-size: 32px;
  font-weight: 800;
  font-style: italic;
  line-height: 1.15;
  color: var(--color-black);
  letter-spacing: -0.5px;
}
.page-faq__hero-desc {
  margin: 0;
  font-size: 15px;
  color: #444;
  line-height: 1.5;
}
@media (min-width: 540px) {
  .page-faq__hero-title {
    font-size: 42px;
  }
  .page-faq__hero-icon-wrap {
    width: 100px;
    height: 100px;
  }
  .page-faq__hero-desc {
    font-size: 16px;
  }
}

/* 手风琴列表 */
.page-faq__list {
  display: flex;
  flex-direction: column;
  gap: var(--faq-spacing);
  margin: 28px 0 32px;
}

/* 卡片 */
.page-faq__card {
  position: relative;
  background: var(--faq-card-bg);
  border: 2px solid var(--faq-card-border);
  border-radius: var(--faq-radius);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
}
.page-faq__card:hover {
  border-color: var(--faq-card-hover-border);
  box-shadow: 0 2px 16px rgba(200, 16, 46, 0.12);
}

/* 隐藏 checkbox */
.page-faq__toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* 问题标题（label） */
.page-faq__question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px 16px 16px;
  cursor: pointer;
  user-select: none;
  transition: background var(--transition-fast);
  min-height: 60px;
  box-sizing: border-box;
}
.page-faq__question:hover {
  background: rgba(200, 16, 46, 0.04);
}

/* 编号 */
.page-faq__num {
  flex-shrink: 0;
  width: 42px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--faq-num-color);
  line-height: 1;
  text-align: left;
  letter-spacing: -0.5px;
}

/* 标题文字 — 红黑渐变 */
.page-faq__qtext {
  flex: 1;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-black);
  background: linear-gradient(135deg, var(--faq-grad-start) 0%, var(--faq-grad-end) 90%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  word-break: break-word;
}
/* Fallback for browsers that don't support background-clip: text */
@supports not (background-clip: text) {
  .page-faq__qtext {
    background: none;
    -webkit-text-fill-color: var(--color-red);
    color: var(--color-red);
  }
}

/* +/- 图标 */
.page-faq__icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--faq-icon-color);
  border: 2px solid var(--faq-icon-color);
  border-radius: 50%;
  transition: transform var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  font-family: var(--font-primary);
}
.page-faq__toggle:checked + .page-faq__question .page-faq__icon {
  color: var(--faq-icon-active);
  border-color: var(--faq-icon-active);
  transform: rotate(45deg);
}
.page-faq__question:hover .page-faq__icon {
  color: var(--faq-card-hover-border);
  border-color: var(--faq-card-hover-border);
}

/* 答案区域 */
.page-faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  background: var(--faq-answer-bg);
  border-top: 0 solid var(--color-darkgold);
}
.page-faq__toggle:checked ~ .page-faq__answer {
  max-height: 600px;
  border-top-width: 1px;
}
.page-faq__answer-inner {
  padding: 20px 18px 24px 16px;
  font-size: 15px;
  line-height: 1.7;
  color: #333;
}
.page-faq__answer-inner p {
  margin: 0 0 12px;
}
.page-faq__answer-inner p:last-child {
  margin-bottom: 0;
}
.page-faq__answer-inner a {
  color: var(--color-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.page-faq__answer-inner a:hover {
  color: var(--color-brightred);
}

/* 高亮标记 */
.page-faq__highlight {
  color: var(--color-red);
  font-weight: 700;
  font-family: var(--font-mono);
  font-size: 1.05em;
}

/* 图片块 */
.page-faq__img-block {
  margin: 14px 0 16px;
  border: 2px solid var(--color-red);
  border-radius: var(--faq-radius);
  overflow: hidden;
  display: inline-block;
  max-width: 100%;
  background: var(--color-white);
}
.page-faq__sample-img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
}

/* 联系列表 */
.page-faq__contact-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-faq__contact-list li {
  padding: 8px 12px;
  background: var(--color-white);
  border-left: 4px solid var(--color-gold);
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.5;
}
.page-faq__contact-list li a {
  color: var(--color-red);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* 底部注释 */
.page-faq__footnote {
  margin-top: 32px;
  padding-top: 8px;
  text-align: center;
}
.page-faq__footnote-line {
  height: 2px;
  background: var(--color-darkgold);
  width: 80px;
  margin: 0 auto;
  opacity: 0.6;
}
.page-faq__footnote-text {
  margin: 16px 0;
  font-size: 13px;
  color: #777;
  line-height: 1.6;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* 响应式：桌面端 */
@media (min-width: 768px) {
  .page-faq__container {
    padding: 32px 32px 64px;
  }
  .page-faq__hero-title {
    font-size: 48px;
  }
  .page-faq__hero-desc {
    font-size: 17px;
  }
  .page-faq__question {
    padding: 18px 24px 18px 20px;
    min-height: 68px;
  }
  .page-faq__num {
    width: 52px;
    font-size: 32px;
  }
  .page-faq__qtext {
    font-size: 19px;
  }
  .page-faq__answer-inner {
    padding: 24px 28px 28px 20px;
    font-size: 16px;
  }
  .page-faq__contact-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
  }
  .page-faq__contact-list li {
    flex: 1 1 calc(50% - 10px);
    min-width: 200px;
  }
  .page-faq__footnote-text {
    font-size: 14px;
  }
}

@media (min-width: 1024px) {
  .page-faq__container {
    padding: 40px 40px 72px;
  }
  .page-faq__hero-title {
    font-size: 54px;
  }
}

/* 确保卡片在不支持 gap 的浏览器中依然可用 */
@supports not (gap: 12px) {
  .page-faq__question {
    display: flex;
    align-items: center;
  }
  .page-faq__question > * + * {
    margin-left: 12px;
  }
  .page-faq__list > * + * {
    margin-top: var(--faq-spacing);
  }
  .page-faq__breadcrumb > * + * {
    margin-left: 8px;
  }
}
</PAGE_CSS>