.page-faq {
  background: var(--color-pitch);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  padding-bottom: calc(var(--pad) * 2);
}

/* ===== Hero ===== */
.page-faq .faq-hero {
  position: relative;
  padding: var(--pad) 0 0;
  background:
    radial-gradient(ellipse at 85% 20%, rgba(255, 215, 0, .10), transparent 55%),
    linear-gradient(160deg, var(--color-pitch) 0%, var(--color-card) 100%);
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-hero .breadcrumb-list {
  margin-bottom: 18px;
}

.page-faq .faq-hero-copy {
  max-width: 860px;
  padding-bottom: calc(var(--pad) * .8);
}

.page-faq .faq-hero-copy .eyebrow {
  margin-bottom: 12px;
  color: var(--color-gold);
}

.page-faq .faq-hero-copy h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.2;
  letter-spacing: .01em;
  margin: 8px 0 16px;
  color: var(--color-text);
}

.page-faq .faq-lead {
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 740px;
}

.page-faq .faq-lead strong {
  color: var(--color-gold);
  font-weight: 700;
}

.page-faq .faq-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 8px 14px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  font-size: .82rem;
  color: var(--color-muted);
}

.page-faq .faq-status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, .15);
}

.page-faq .faq-hero-media {
  width: 100%;
  overflow: hidden;
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: 200px;
  object-fit: cover;
  opacity: .9;
}

/* ===== 布局容器 ===== */
.page-faq .faq-layout {
  padding-top: calc(var(--pad) * 1.2);
}

/* ===== 搜索框 ===== */
.page-faq .faq-search {
  position: relative;
  max-width: 720px;
  margin-bottom: 28px;
}

.page-faq .faq-search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  color: var(--color-gold);
  pointer-events: none;
}

.page-faq .faq-search-input {
  width: 100%;
  padding: 16px 18px 16px 52px;
  border: 2px solid var(--color-gold);
  border-radius: var(--radius);
  background: var(--color-card);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  outline: none;
  box-shadow: 0 0 0 4px rgba(255, 215, 0, .10);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-search-input:focus {
  border-color: var(--color-gold-warm);
  box-shadow: 0 0 0 6px rgba(255, 170, 0, .18);
}

.page-faq .faq-search-input::placeholder {
  color: var(--color-muted);
  opacity: .8;
}

/* ===== 分屏框架 ===== */
.page-faq .faq-frame {
  display: grid;
  gap: 24px;
}

/* ===== 侧边栏 ===== */
.page-faq .faq-sidebar {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 20px;
}

.page-faq .faq-sidebar-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.1rem;
  letter-spacing: .06em;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-gold);
  display: inline-block;
}

.page-faq .faq-cat-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-cat-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-field);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-left: 3px solid var(--color-line);
  transform: skewX(-6deg);
  transition: border-color .2s ease, background .2s ease, color .2s ease;
}

.page-faq .faq-cat-link > * {
  transform: skewX(6deg);
}

.page-faq .faq-cat-index {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .85rem;
  color: var(--color-gold);
  min-width: 22px;
}

.page-faq .faq-cat-name {
  font-weight: 500;
}

.page-faq .faq-cat-link:hover,
.page-faq .faq-cat-link:focus-visible {
  border-left-color: var(--color-gold);
  color: var(--color-gold);
}

.page-faq .faq-sidebar-contact {
  background: var(--color-field);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: grid;
  gap: 10px;
}

.page-faq .faq-sidebar-contact-title {
  font-weight: 700;
  margin: 0;
}

.page-faq .faq-sidebar-contact .btn {
  display: block;
  text-align: center;
}

.page-faq .faq-sidebar-sub {
  color: var(--color-muted);
  font-size: .9rem;
  text-decoration: none;
  text-align: center;
}

.page-faq .faq-sidebar-sub:hover {
  color: var(--color-gold);
}

.page-faq .faq-sidebar-legal {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px solid var(--color-line);
  font-size: .78rem;
}

.page-faq .faq-sidebar-legal a {
  color: var(--color-muted);
  text-decoration: none;
}

.page-faq .faq-sidebar-legal a:hover {
  color: var(--color-gold);
}

.page-faq .faq-sidebar-trust {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--color-line);
  font-size: .76rem;
  color: var(--color-muted);
  text-align: center;
}

/* ===== 内容区 ===== */
.page-faq .faq-content {
  display: grid;
  gap: 28px;
}

.page-faq .faq-group {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  box-shadow: var(--shadow);
}

.page-faq .faq-group::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-gold), var(--color-gold-warm));
  border-radius: 0 4px 4px 0;
}

.page-faq .faq-group-head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 20px;
  padding: 0 0 16px 8px;
  border-bottom: 1px solid var(--color-line);
}

.page-faq .faq-group-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-gold);
}

.page-faq .faq-group-heading h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  margin: 0 0 4px;
  color: var(--color-text);
}

.page-faq .faq-group-heading p {
  margin: 0;
  font-size: .95rem;
  color: var(--color-muted);
}

.page-faq .faq-group-grid {
  display: grid;
  gap: 0;
}

/* ===== 问答列表 ===== */
.page-faq .faq-questions {
  display: grid;
  gap: 12px;
}

.page-faq .faq-item {
  background: var(--color-field);
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s ease;
}

.page-faq .faq-item[open] {
  border-left-color: var(--color-gold);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 16px 18px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-text);
  transition: background .2s ease;
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--color-gold);
}

.page-faq .faq-item[open] summary::after {
  content: "–";
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  background: rgba(255, 215, 0, .04);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: -4px;
}

.page-faq .faq-item-body {
  padding: 0 18px 18px;
  color: var(--color-muted);
  font-size: .95rem;
}

.page-faq .faq-item-body p {
  margin: 0 0 12px;
}

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

/* ===== 插图 ===== */
.page-faq .faq-illustration {
  margin: 20px 0 0;
  background: var(--color-pitch);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 12px;
}

.page-faq .faq-illustration img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-sm) - 2px);
}

.page-faq .faq-illustration figcaption {
  margin-top: 8px;
  font-size: .82rem;
  color: var(--color-muted);
  text-align: center;
}

/* ===== 桌面端 ===== */
@media (min-width: 900px) {
  .page-faq .faq-hero-copy {
    max-width: 860px;
  }

  .page-faq .faq-hero-media img {
    height: 300px;
  }

  .page-faq .faq-frame {
    grid-template-columns: 280px 1fr;
    align-items: start;
    gap: 32px;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 140px;
  }

  .page-faq .faq-group-grid {
    grid-template-columns: 1fr 240px;
    gap: 24px;
    align-items: start;
  }

  .page-faq .faq-illustration {
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-search-input,
  .page-faq .faq-cat-link {
    transition: none;
  }
}