.page-faq {
  --faq-gold-line: var(--color-gold);
  --faq-green-deep: var(--color-deep-green);
  --faq-glass-bg: rgba(255, 255, 255, 0.85);
  --faq-border-color: rgba(27, 94, 32, 0.12);
  --faq-radius: 12px;
  --faq-transition: 280ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础容器 ===== */
.page-faq .container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-text-dark);
  margin-bottom: 24px;
  letter-spacing: 0.02em;
}
.page-faq .breadcrumb a {
  color: var(--color-deep-green);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-fast);
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  border-bottom-color: var(--color-gold);
}
.page-faq .breadcrumb [aria-current="page"] {
  color: var(--color-text-black);
  font-weight: 600;
}

/* ===== 页面标题区 ===== */
.page-faq .faq-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 16px 24px;
  border-bottom: 2px solid var(--faq-border-color);
  padding-bottom: 20px;
}
.page-faq .faq-title-group {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.page-faq .faq-main-title {
  font-family: var(--font-headings);
  font-size: var(--fs-h1);
  font-weight: 700;
  color: var(--color-deep-green);
  line-height: 1.1;
  margin: 0;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.page-faq .faq-annotation {
  font-family: var(--font-body);
  font-size: var(--fs-small);
  color: var(--color-gold);
  background: var(--color-deep-green);
  padding: 2px 14px;
  border-radius: 20px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  line-height: 1.6;
}

/* ===== 搜索框 ===== */
.page-faq .faq-search-wrap {
  position: relative;
  width: 100%;
  max-width: 380px;
  margin-left: auto;
}
.page-faq .faq-search-input {
  display: block;
  width: 100%;
  padding: 12px 18px 12px 46px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--color-text-black);
  background: var(--color-bg-white);
  border: 1.5px solid var(--faq-border-color);
  border-radius: 40px;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}
.page-faq .faq-search-input::placeholder {
  color: #999;
  opacity: 0.8;
}
.page-faq .faq-search-input:focus {
  border-color: var(--color-deep-green);
  box-shadow: 0 0 0 3px rgba(27, 94, 32, 0.12);
}
.page-faq .faq-search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dark);
  opacity: 0.55;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== 热门问题区 ===== */
.page-faq .faq-hot-section {
  margin-bottom: 48px;
}
.page-faq .faq-hot-title {
  font-family: var(--font-headings);
  font-size: var(--fs-h3);
  color: var(--color-deep-green);
  margin: 0 0 20px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--color-gold);
  display: inline-block;
  letter-spacing: 0.02em;
}
.page-faq .hot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-faq .hot-item--wide {
  grid-column: 1 / -1;
}

/* ===== 手风琴项通用 ===== */
.page-faq .faq-item {
  border: 1px solid var(--faq-border-color);
  border-radius: var(--faq-radius);
  background: var(--color-bg-white);
  overflow: hidden;
  transition: box-shadow var(--transition-fast);
}
.page-faq .faq-item:hover {
  box-shadow: var(--shadow-card);
}
.page-faq .faq-item[open] {
  box-shadow: var(--shadow-card);
  border-color: rgba(27, 94, 32, 0.25);
}
.page-faq .faq-q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 600;
  color: var(--color-text-black);
  line-height: 1.4;
  user-select: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-faq .faq-q::-webkit-details-marker {
  display: none;
}
.page-faq .faq-q:hover {
  background: rgba(255, 215, 0, 0.06);
}
.page-faq .faq-item[open] > .faq-q {
  color: var(--color-deep-green);
  border-bottom: 1px solid var(--faq-border-color);
}
.page-faq .faq-q-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  color: var(--color-gold);
  background: var(--color-deep-green);
  border-radius: 50%;
  transition: transform var(--faq-transition);
}
.page-faq .faq-item[open] .faq-q-icon {
  transform: scale(1.05);
}
.page-faq .faq-q-text {
  flex: 1;
}
.page-faq .faq-q-toggle {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  color: var(--color-text-dark);
  opacity: 0.5;
  transition: transform var(--faq-transition), opacity var(--faq-transition);
}
.page-faq .faq-item[open] .faq-q-toggle {
  transform: rotate(180deg);
  opacity: 0.85;
  color: var(--color-deep-green);
}

/* ===== 答案区 ===== */
.page-faq .faq-answer {
  padding: 20px 24px 24px;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--color-text-dark);
  background: var(--faq-glass-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 0 0 var(--faq-radius) var(--faq-radius);
}
.page-faq .faq-answer p {
  margin: 0 0 16px;
}
.page-faq .faq-answer p:last-child {
  margin-bottom: 0;
}
.page-faq .faq-link {
  color: var(--color-deep-green);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-color: var(--color-gold);
  text-decoration-thickness: 2px;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--color-dark-red);
  text-decoration-color: var(--color-dark-red);
}

/* ===== 答案内图片 ===== */
.page-faq .faq-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-top: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--faq-border-color);
}

/* ===== 分类区 ===== */
.page-faq .faq-categories {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.page-faq .faq-category {
  scroll-margin-top: 32px;
}
.page-faq .category-title {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-headings);
  font-size: var(--fs-h2);
  font-weight: 600;
  color: var(--color-deep-green);
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--color-gold);
  letter-spacing: 0.015em;
}
.page-faq .cat-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-gold);
  background: var(--color-deep-green);
  border-radius: 50%;
}
.page-faq .faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ===== 底部注释 ===== */
.page-faq .faq-footnote {
  margin-top: 56px;
  padding: 24px 28px;
  border-radius: var(--faq-radius);
  background: var(--faq-glass-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--faq-border-color);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-faq .faq-footnote p {
  margin: 0;
  line-height: 1.6;
}
.page-faq .faq-footnote .faq-link {
  font-weight: 600;
}

/* ===== 桌面端 (≥768px) ===== */
@media (min-width: 768px) {
  .page-faq .container {
    padding: 36px 40px 64px;
  }
  .page-faq .faq-header {
    flex-wrap: nowrap;
    margin-bottom: 52px;
    padding-bottom: 24px;
  }
  .page-faq .faq-search-wrap {
    max-width: 320px;
  }
  .page-faq .hot-grid {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
  }
  .page-faq .hot-item {
    grid-column: span 1;
  }
  .page-faq .hot-item--wide {
    grid-column: span 1;
  }
  .page-faq .faq-q {
    padding: 18px 24px;
    font-size: 17px;
  }
  .page-faq .faq-answer {
    padding: 24px 32px 28px;
    font-size: 16px;
  }
  .page-faq .faq-img {
    max-width: 60%;
  }
  .page-faq .category-title {
    font-size: var(--fs-h2);
    margin-bottom: 24px;
  }
  .page-faq .faq-categories {
    gap: 56px;
  }
  .page-faq .faq-footnote {
    flex-direction: row;
    justify-content: space-between;
    padding: 28px 36px;
  }
  .page-faq .faq-footnote p {
    max-width: 48%;
  }
}

/* ===== 大桌面端 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-faq .container {
    padding: 44px 60px 80px;
  }
  .page-faq .faq-search-wrap {
    max-width: 360px;
  }
  .page-faq .hot-grid {
    gap: 24px;
  }
  .page-faq .faq-q {
    padding: 20px 28px;
    font-size: 18px;
  }
  .page-faq .faq-answer {
    padding: 28px 40px 32px;
  }
  .page-faq .faq-categories {
    gap: 64px;
  }
}

/* ===== 极窄屏安全 ===== */
@media (max-width: 400px) {
  .page-faq .container {
    padding: 16px 12px 32px;
  }
  .page-faq .faq-q {
    padding: 14px 14px;
    gap: 8px;
    font-size: 15px;
  }
  .page-faq .faq-answer {
    padding: 16px 16px 20px;
  }
  .page-faq .category-title {
    font-size: calc(var(--fs-h2) * 0.85);
  }
  .page-faq .faq-main-title {
    font-size: calc(var(--fs-h1) * 0.8);
  }
}