/* ===== 常见问题页面专属样式 ===== */
.page-faq {
  --faq-gold-border: 4px solid var(--color-primary-gold, #D4A84B);
  --faq-gold-glow: 0 0 0 2px var(--color-primary-gold, #D4A84B), 0 0 12px rgba(212, 168, 75, 0.45);
  --faq-section-gap: clamp(2rem, 5vw, 3.5rem);
  --faq-item-gap: 0.5rem;
  --faq-radius: 2px;

  display: flex;
  flex-direction: column;
  gap: var(--faq-section-gap);
  padding: clamp(1.25rem, 4vw, 3rem) clamp(1rem, 4vw, 2.5rem);
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto;
  box-sizing: border-box;
  font-family: var(--font-primary, system-ui, sans-serif);
  color: var(--color-secondary-dark-ink, #1C1E21);
  background-color: var(--color-secondary-warm-paper, #F5F0E6);
  min-height: 60vh;
}

/* 面包屑 */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--color-primary-deep-blue, #0A1F44);
  margin-bottom: 0.25rem;
  flex-wrap: wrap;
}

.page-faq .breadcrumb a {
  color: var(--color-primary-deep-blue, #0A1F44);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base, 0.25s ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-primary-gold, #D4A84B);
}

.page-faq .breadcrumb__sep {
  color: var(--color-primary-gold, #D4A84B);
  font-weight: 700;
}

.page-faq .breadcrumb [aria-current="page"] {
  font-weight: 600;
  color: var(--color-primary-deep-blue, #0A1F44);
  opacity: 0.8;
}

/* 页面标题区 */
.page-faq__hero {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-primary-deep-blue, #0A1F44);
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.02em;
  position: relative;
}

.page-faq__hero::after {
  content: "";
  display: block;
  width: 3.5rem;
  height: 4px;
  background: var(--color-primary-gold, #D4A84B);
  margin-top: 0.5rem;
}

.page-faq__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.6;
  color: var(--color-secondary-dark-ink, #1C1E21);
  margin: 0 0 0.5rem 0;
  max-width: 680px;
  opacity: 0.85;
}

/* 分类区块 */
.page-faq .faq-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-faq .faq-section__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.25rem;
}

.page-faq .faq-section__icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--faq-radius);
  background: var(--color-neutral-white, #FFFFFF);
  padding: 4px;
  box-shadow: var(--shadow-strong, 4px 4px 0 rgba(0,0,0,0.10));
  border: 2px solid var(--color-primary-gold, #D4A84B);
  box-sizing: content-box;
}

.page-faq .faq-section__title {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary-deep-blue, #0A1F44);
  margin: 0;
  line-height: 1.2;
}

/* 问答列表容器 */
.page-faq .faq-section__items {
  display: flex;
  flex-direction: column;
  gap: var(--faq-item-gap);
}

/* 单个问答项 */
.page-faq .faq-item {
  background: var(--color-neutral-white, #FFFFFF);
  border-radius: var(--faq-radius);
  overflow: hidden;
  box-shadow: var(--shadow-strong, 4px 4px 0 rgba(0,0,0,0.08));
  border: 2px solid var(--color-neutral-light-gray, #E0DDD5);
  transition: box-shadow var(--transition-base, 0.25s ease), border-color var(--transition-base, 0.25s ease);
}

.page-faq .faq-item:has(.faq-item__toggle:checked) {
  border-color: var(--color-primary-gold, #D4A84B);
  box-shadow: var(--faq-gold-glow);
}

/* 隐藏 checkbox */
.page-faq .faq-item__toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 问题标签 — 可点击区域 */
.page-faq .faq-item__question {
  display: block;
  padding: 1rem 1.25rem 1rem 1.5rem;
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-primary-deep-blue, #0A1F44);
  background: var(--color-secondary-warm-paper, #F5F0E6);
  cursor: pointer;
  position: relative;
  border-left: var(--faq-gold-border);
  transition: background var(--transition-base, 0.25s ease), border-left-color var(--transition-base, 0.25s ease);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.page-faq .faq-item__question::after {
  content: "+";
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary-gold, #D4A84B);
  transition: transform var(--transition-base, 0.25s ease), content var(--transition-base, 0.25s ease);
  line-height: 1;
}

.page-faq .faq-item__toggle:checked + .faq-item__question::after {
  content: "−";
  transform: translateY(-50%) scale(1.1);
}

.page-faq .faq-item__question:hover {
  background: #ece6d9;
}

.page-faq .faq-item__question:focus-visible {
  outline: 2px solid var(--color-primary-gold, #D4A84B);
  outline-offset: -2px;
}

.page-faq .faq-item__toggle:checked + .faq-item__question {
  border-left-color: var(--color-accent-cyan, #00B4D8);
  background: #e8e1d2;
}

/* 答案区域 — 折叠动画 */
.page-faq .faq-item__answer {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 1.5rem 0 1.5rem;
  background: var(--color-neutral-white, #FFFFFF);
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 0.35s ease,
              padding 0.35s ease;
  box-sizing: border-box;
}

.page-faq .faq-item__toggle:checked ~ .faq-item__answer {
  max-height: 480px;
  opacity: 1;
  padding: 1rem 1.5rem 1.25rem 1.5rem;
}

.page-faq .faq-item__answer p {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.7;
  color: var(--color-secondary-dark-ink, #1C1E21);
  margin: 0 0 0.5rem 0;
}

.page-faq .faq-item__answer p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-item__answer a {
  color: var(--color-primary-deep-blue, #0A1F44);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--color-primary-gold, #D4A84B);
  transition: color var(--transition-base, 0.25s ease), text-decoration-color var(--transition-base, 0.25s ease);
  font-weight: 500;
}

.page-faq .faq-item__answer a:hover,
.page-faq .faq-item__answer a:focus-visible {
  color: var(--color-primary-gold, #D4A84B);
  text-decoration-color: var(--color-primary-deep-blue, #0A1F44);
}

/* 底部联系区域 */
.page-faq .faq-contact {
  margin-top: 1rem;
  padding: 1.5rem;
  background: var(--color-primary-deep-blue, #0A1F44);
  border-radius: var(--faq-radius);
  border: 4px solid var(--color-primary-gold, #D4A84B);
  box-shadow: var(--shadow-stronger, 8px 8px 0 rgba(0,0,0,0.10));
}

.page-faq .faq-contact__body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.page-faq .faq-contact__image {
  width: 140px;
  height: auto;
  max-width: 100%;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: var(--shadow-strong, 4px 4px 0 rgba(0,0,0,0.15));
  background: var(--color-neutral-white, #FFFFFF);
  padding: 4px;
  box-sizing: content-box;
}

.page-faq .faq-contact__text {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  color: var(--color-neutral-white, #FFFFFF);
}

.page-faq .faq-contact__heading {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-primary-gold, #D4A84B);
}

.page-faq .faq-contact__text p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.6;
  max-width: 480px;
}

.page-faq .faq-contact__detail {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-neutral-light-gray, #E0DDD5);
}

.page-faq .faq-contact__detail a {
  color: var(--color-primary-gold, #D4A84B);
  text-decoration: none;
  border-bottom: 1px solid var(--color-primary-gold, #D4A84B);
  transition: border-color var(--transition-base, 0.25s ease), color var(--transition-base, 0.25s ease);
}

.page-faq .faq-contact__detail a:hover,
.page-faq .faq-contact__detail a:focus-visible {
  color: var(--color-neutral-white, #FFFFFF);
  border-bottom-color: var(--color-neutral-white, #FFFFFF);
}

.page-faq .faq-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 2rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary-deep-blue, #0A1F44);
  background: var(--color-primary-gold, #D4A84B);
  border: 3px solid var(--color-primary-gold, #D4A84B);
  border-radius: 2px;
  text-decoration: none;
  transition: background var(--transition-base, 0.25s ease),
              color var(--transition-base, 0.25s ease),
              box-shadow var(--transition-base, 0.25s ease);
  cursor: pointer;
  margin-top: 0.25rem;
}

.page-faq .faq-contact .btn:hover,
.page-faq .faq-contact .btn:focus-visible {
  background: transparent;
  color: var(--color-primary-gold, #D4A84B);
  box-shadow: 0 0 0 2px var(--color-primary-gold, #D4A84B);
}

/* ===== 响应式：桌面端 ≥ 768px ===== */
@media (min-width: 768px) {
  .page-faq {
    padding: 2.5rem 3rem 4rem;
    gap: 4rem;
  }

  .page-faq__hero::after {
    width: 5rem;
    height: 5px;
  }

  .page-faq .faq-section__icon {
    width: 60px;
    height: 60px;
  }

  .page-faq .faq-section__title {
    font-size: 1.65rem;
  }

  .page-faq .faq-item__question {
    padding: 1.15rem 2.5rem 1.15rem 2rem;
    font-size: 1.15rem;
  }

  .page-faq .faq-item__answer {
    padding: 0 2rem 0 2rem;
  }

  .page-faq .faq-item__toggle:checked ~ .faq-item__answer {
    padding: 1.15rem 2rem 1.5rem 2rem;
  }

  .page-faq .faq-contact {
    padding: 2rem 3rem;
  }

  .page-faq .faq-contact__body {
    flex-direction: row;
    text-align: left;
    gap: 2.5rem;
  }

  .page-faq .faq-contact__image {
    width: 180px;
    flex-shrink: 0;
  }

  .page-faq .faq-contact__text {
    align-items: flex-start;
  }

  .page-faq .faq-contact__heading {
    font-size: 1.55rem;
  }
}

@media (min-width: 1024px) {
  .page-faq {
    padding: 3rem 4rem 5rem;
    gap: 4.5rem;
  }

  .page-faq .faq-contact__image {
    width: 200px;
  }

  .page-faq .faq-section__items {
    max-width: 820px;
  }
}

/* ===== 窄屏安全 ===== */
@media (max-width: 420px) {
  .page-faq {
    padding: 0.75rem 0.75rem 2rem;
    gap: 2rem;
  }

  .page-faq .faq-section__icon {
    width: 36px;
    height: 36px;
  }

  .page-faq .faq-item__question {
    padding: 0.85rem 2.5rem 0.85rem 1rem;
    font-size: 1rem;
  }

  .page-faq .faq-item__answer {
    padding: 0 1rem 0 1rem;
  }

  .page-faq .faq-item__toggle:checked ~ .faq-item__answer {
    padding: 0.75rem 1rem 1rem 1rem;
  }

  .page-faq .faq-contact {
    padding: 1rem;
  }

  .page-faq .faq-contact__image {
    width: 100px;
  }
}