.page-faq {
  --faq-sidebar-width: 300px;
  --faq-gap: clamp(1.5rem, 3vw, 2.75rem);
  --faq-number-color: rgba(201, 162, 39, 0.9);

  position: relative;
  background:
    radial-gradient(circle at 88% 4%, rgba(201, 162, 39, 0.1), transparent 34%),
    linear-gradient(180deg, var(--color-navy-deep) 0%, var(--color-navy) 48%, var(--color-navy-panel) 100%);
  color: var(--color-text-light);
  padding: var(--space-lg) 0 var(--space-2xl);
  min-height: 60vh;
  overflow: hidden;
}

.page-faq .page-shell {
  position: relative;
  z-index: 1;
}

/* ===== 面包屑 ===== */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

.page-faq .breadcrumb-link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible {
  color: var(--color-gold-light);
}

.page-faq .breadcrumb-sep {
  color: var(--color-navy-border);
  font-family: var(--font-data);
}

.page-faq .breadcrumb-current {
  color: var(--color-gold-light);
  font-weight: 600;
}

/* ===== 页头声明区 ===== */
.page-faq .faq-header {
  position: relative;
  margin-bottom: var(--space-2xl);
  padding: var(--space-lg) 0 var(--space-lg) var(--space-lg);
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.14), rgba(201, 162, 39, 0.03) 72%, transparent);
  border-left: 4px solid var(--color-gold);
  clip-path: polygon(0 0, 100% 0, calc(100% - 28px) 100%, 0 100%);
}

.page-faq .faq-kicker {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.18em;
  color: var(--color-gold);
  text-transform: uppercase;
  margin: 0 0 var(--space-xs);
}

.page-faq .faq-header .page-title {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-sm);
  color: var(--color-text-light);
}

.page-faq .faq-header .page-subtitle {
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin: 0;
}

/* ===== 主布局：移动端单列，桌面端左导航右内容 ===== */
.page-faq .faq-layout {
  display: grid;
  grid-template-areas:
    "nav"
    "content"
    "extra";
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-cat-nav {
  grid-area: nav;
}

.page-faq .faq-content {
  grid-area: content;
  min-width: 0;
  display: grid;
  gap: var(--space-2xl);
}

.page-faq .faq-extra {
  grid-area: extra;
  display: grid;
  gap: var(--space-lg);
}

/* ===== 分类导航面板 ===== */
.page-faq .faq-cat-nav {
  background: var(--color-navy-panel);
  border: 1px solid var(--color-navy-border);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-cat-nav::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, transparent 22px, rgba(201, 162, 39, 0.4) 22px);
}

.page-faq .faq-cat-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin: 0 0 var(--space-md);
}

.page-faq .faq-cat-title svg {
  flex-shrink: 0;
}

.page-faq .faq-cat-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-faq .faq-cat-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--fs-small);
  font-weight: 700;
  border-left: 3px solid transparent;
  background: transparent;
  transition: border-color 0.3s ease, color 0.3s ease, background-color 0.3s ease, padding-left 0.3s ease;
}

.page-faq .faq-cat-nav a::after {
  content: "";
  display: block;
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.page-faq .faq-cat-nav a:hover,
.page-faq .faq-cat-nav a:focus-visible {
  color: var(--color-gold-light);
  border-left-color: var(--color-gold);
  background: rgba(201, 162, 39, 0.1);
}

.page-faq .faq-cat-nav a.is-active,
.page-faq .faq-cat-nav a:target {
  color: var(--color-cream);
  border-left-color: var(--color-gold);
  background: linear-gradient(90deg, rgba(201, 162, 39, 0.24), rgba(201, 162, 39, 0.02));
  padding-left: 18px;
}

.page-faq .faq-cat-nav a.is-active::after,
.page-faq .faq-cat-nav a:target::after {
  opacity: 1;
  border-color: var(--color-gold);
}

/* ===== 章节区 ===== */
.page-faq .faq-section {
  scroll-margin-top: calc(var(--header-height) + 28px);
  position: relative;
  padding-left: 0;
  border-left: 3px solid transparent;
  transition: border-color 0.4s ease, padding-left 0.4s ease;
}

.page-faq .faq-section:target {
  border-left-color: var(--color-gold);
  padding-left: var(--space-md);
}

.page-faq .faq-section-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-navy-border);
  position: relative;
}

.page-faq .faq-section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 90px;
  height: 2px;
  background: var(--color-gold);
}

.page-faq .faq-section-num {
  font-family: var(--font-data);
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--faq-number-color);
  line-height: 1;
}

.page-faq .faq-section-head h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text-light);
  margin: 0;
}

/* ===== 手风琴列表 ===== */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  background: var(--color-navy-panel);
  border: 1px solid var(--color-navy-border);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-faq .faq-item[open] {
  border-color: var(--color-gold-deep);
  background: linear-gradient(180deg, var(--color-navy-panel), rgba(201, 162, 39, 0.05));
}

.page-faq .faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 18px 20px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.4;
  color: var(--color-cream);
  user-select: none;
  transition: color 0.3s ease;
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--color-gold-light);
}

.page-faq .faq-item summary::after {
  content: "";
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  transition: transform 0.3s ease, margin-top 0.3s ease;
  margin-top: -4px;
}

.page-faq .faq-item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-faq .faq-item .faq-answer {
  padding: 0 20px 20px 34px;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-gold-deep);
  margin-left: 20px;
}

.page-faq .faq-item .faq-answer p {
  margin: 0;
}

.page-faq .faq-item .faq-answer a {
  color: var(--color-gold-light);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(201, 162, 39, 0.35);
  transition: text-decoration-color 0.3s ease;
}

.page-faq .faq-item .faq-answer a:hover,
.page-faq .faq-item .faq-answer a:focus-visible {
  text-decoration-color: var(--color-gold);
}

/* ===== 底部 CTA ===== */
.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  margin-top: var(--space-sm);
  background: linear-gradient(120deg, var(--color-gold), var(--color-gold-light));
  color: var(--color-text-dark);
  padding: var(--space-lg);
  position: relative;
  overflow: hidden;
}

.page-faq .faq-more::after {
  content: "?";
  position: absolute;
  right: 180px;
  top: -52px;
  font-family: var(--font-heading);
  font-size: 200px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.3);
  line-height: 1;
  pointer-events: none;
}

.page-faq .faq-more h2 {
  font-size: 1.35rem;
  font-weight: 900;
  margin: 0 0 6px;
  position: relative;
  z-index: 1;
}

.page-faq .faq-more p {
  font-size: var(--fs-small);
  margin: 0;
  position: relative;
  z-index: 1;
  color: rgba(26, 26, 26, 0.78);
}

.page-faq .faq-more .btn {
  position: relative;
  z-index: 1;
  background: var(--color-navy);
  color: var(--color-cream);
  border: 1px solid var(--color-navy);
  padding: 12px 28px;
  font-weight: 700;
  flex-shrink: 0;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-faq .faq-more .btn:hover {
  background: var(--color-navy-deep);
  transform: translateY(-2px);
}

/* ===== 左侧附加卡片与图片 ===== */
.page-faq .faq-extra .faq-sidebar-card {
  background: var(--color-cream);
  color: var(--color-text-dark);
  padding: var(--space-lg);
  position: relative;
}

.page-faq .faq-sidebar-card::before {
  content: "24H";
  position: absolute;
  top: 16px;
  right: 18px;
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  font-weight: 700;
  color: var(--color-gold-deep);
  background: rgba(201, 162, 39, 0.2);
  padding: 3px 8px;
}

.page-faq .faq-sidebar-card h2 {
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 var(--space-sm);
}

.page-faq .faq-sidebar-card p {
  font-size: var(--fs-small);
  line-height: 1.7;
  margin: 0 0 var(--space-md);
  color: rgba(26, 26, 26, 0.8);
}

.page-faq .faq-sidebar-card .btn-ghost {
  border: 1px solid var(--color-navy);
  color: var(--color-navy);
  padding: 10px 22px;
  font-weight: 700;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-faq .faq-sidebar-card .btn-ghost:hover {
  background: var(--color-navy);
  color: var(--color-cream);
}

.page-faq .faq-extra .faq-sidebar-img {
  margin: 0;
}

.page-faq .faq-sidebar-img img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-navy-border);
  background: var(--color-navy-panel);
  object-fit: cover;
}

.page-faq .faq-sidebar-img figcaption {
  margin-top: var(--space-xs);
  font-size: var(--fs-caption);
  line-height: 1.6;
  color: var(--color-text-muted);
  border-left: 2px solid var(--color-gold);
  padding-left: var(--space-sm);
}

/* ===== 底部流程大图 ===== */
.page-faq .faq-bottom-figure {
  margin: var(--space-2xl) 0 0;
}

.page-faq .faq-bottom-figure img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  display: block;
  border: 1px solid var(--color-navy-border);
  background: var(--color-navy-panel);
}

.page-faq .faq-bottom-figure figcaption {
  margin-top: var(--space-sm);
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  color: var(--color-text-muted);
  text-align: right;
  letter-spacing: 0.06em;
}

/* ===== 桌面端布局 ===== */
@media (min-width: 992px) {
  .page-faq {
    padding: var(--space-xl) 0 var(--space-2xl);
  }

  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-width) minmax(0, 1fr);
    grid-template-areas:
      "nav content"
      "extra content";
    column-gap: var(--faq-gap);
  }

  .page-faq .faq-cat-nav {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    z-index: 5;
  }

  .page-faq .faq-content {
    gap: var(--space-2xl);
  }

  .page-faq .faq-more {
    padding: var(--space-xl);
  }
}