.page-faq {
  --faq-hairline: rgba(245, 241, 232, 0.14);
  --faq-gold-line: rgba(212, 175, 55, 0.42);
  --faq-jade-soft: rgba(92, 138, 138, 0.2);
  position: relative;
  display: block;
  padding-bottom: var(--space-xl);
  background-image:
    radial-gradient(circle at 85% 3%, rgba(212, 175, 55, 0.12), transparent 40%),
    radial-gradient(circle at 5% 28%, rgba(92, 138, 138, 0.12), transparent 36%);
  background-repeat: no-repeat;
}

/* 面包屑定位 */
.page-faq .breadcrumb {
  max-width: var(--shell-width);
  margin-inline: auto;
  padding: var(--space-md) var(--shell-pad) 0;
}

/* 首屏 */
.page-faq .faq-hero {
  max-width: var(--shell-width);
  margin-inline: auto;
  padding: var(--space-lg) var(--shell-pad) var(--space-xl);
  display: grid;
  gap: var(--space-lg);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: var(--space-sm) 0 var(--space-md);
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 6vw, 3.05rem);
  font-weight: 700;
  line-height: 1.22;
  color: var(--text);
  max-width: 24ch;
}

.page-faq .faq-hero__lede {
  margin: 0 0 var(--space-md);
  max-width: 42rem;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--faq-hairline);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-elevated);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 搜索条 */
.page-faq .faq-search {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  max-width: 40rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-elevated);
  transition: border-color 0.25s var(--ease);
}

.page-faq .faq-search:focus-within {
  border-color: var(--faq-gold-line);
}

.page-faq .faq-search__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
}

.page-faq .faq-search__input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 0.3rem 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
}

.page-faq .faq-search__input:focus {
  outline: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--text-dim);
}

/* 热门问题标签 */
.page-faq .faq-hot {
  list-style: none;
  margin: var(--space-md) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.6rem;
}

.page-faq .faq-hot__link {
  display: inline-block;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--faq-hairline);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  color: var(--accent-soft);
  text-decoration: none;
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-faq .faq-hot__link:hover,
.page-faq .faq-hot__link:focus-visible {
  border-color: var(--faq-gold-line);
  background: rgba(212, 175, 55, 0.08);
  transform: translateY(-2px);
}

/* 双栏骨架 */
.page-faq .faq-layout {
  max-width: var(--shell-width);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
  display: grid;
  gap: var(--space-lg);
}

/* 分类索引 */
.page-faq .faq-index {
  padding-left: var(--space-sm);
  border-left: 2px solid var(--faq-gold-line);
}

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

.page-faq .faq-index__list {
  list-style: none;
  margin: var(--space-sm) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.35rem 0;
  font-size: 0.9rem;
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--accent-soft);
  border-bottom-color: var(--faq-gold-line);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent);
}

.page-faq .faq-index__meta {
  margin: var(--space-sm) 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* 问答分组 */
.page-faq .faq-group {
  scroll-margin-top: 6rem;
  padding-bottom: var(--space-lg);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--faq-hairline);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 3.6vw, 1.95rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

.page-faq .faq-group__note {
  flex-basis: 100%;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--text-dim);
}

/* 折叠问答 */
.page-faq .faq-item {
  margin-bottom: 0.7rem;
  border: 1px solid var(--faq-hairline);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-gold-line);
  background: var(--bg-panel);
}

.page-faq .faq-item:target {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--faq-gold-line);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  cursor: pointer;
  padding: 1.05rem 1.2rem;
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--text);
  list-style: none;
}

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

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--accent);
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
}

.page-faq .faq-item__q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--accent);
}

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

.page-faq .faq-item__a {
  padding: 0 1.2rem 1.3rem 3.2rem;
  font-size: 0.96rem;
  line-height: 1.9;
  color: var(--text-soft);
}

.page-faq .faq-item__a p {
  margin: 0 0 0.6rem;
}

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

/* 步骤编号 */
.page-faq .faq-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
}

.page-faq .faq-steps li {
  position: relative;
  counter-increment: faqstep;
  padding-left: 2.1rem;
  margin-bottom: 0.55rem;
}

.page-faq .faq-steps li:last-child {
  margin-bottom: 0;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.28em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
}

/* 分组插图 */
.page-faq .faq-figure {
  margin: 0 0 var(--space-md);
  border: 1px solid var(--faq-hairline);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-elevated);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 底部联系区 */
.page-faq .faq-contact {
  max-width: var(--shell-width);
  margin-inline: auto;
  margin-top: var(--space-lg);
  padding: var(--space-lg) var(--shell-pad) 0;
  display: grid;
  gap: var(--space-md);
  border-top: 1px solid var(--faq-hairline);
}

.page-faq .faq-contact__intro h2 {
  margin: var(--space-sm) 0 var(--space-sm);
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  max-width: 24ch;
}

.page-faq .faq-contact__intro p {
  margin: 0;
  max-width: 38rem;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-faq .faq-contact__card {
  padding: var(--space-md);
  border: 1px solid var(--faq-gold-line);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
}

.page-faq .faq-contact__list {
  margin: 0 0 var(--space-md);
  padding: 0;
}

.page-faq .faq-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--faq-hairline);
}

.page-faq .faq-contact__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-contact__row dt {
  flex: 0 0 5.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--accent-soft);
}

.page-faq .faq-contact__row dd {
  margin: 0;
  flex: 1 1 auto;
  font-size: 0.95rem;
  color: var(--text);
  word-break: break-all;
}

.page-faq .faq-contact__cta {
  display: inline-block;
}

.page-faq .faq-contact__note {
  margin: var(--space-sm) 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .faq-contact__note a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

/* 平板与桌面 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-xl);
  }

  .page-faq .faq-item:nth-child(odd) {
    margin-right: 2.5rem;
  }

  .page-faq .faq-item:nth-child(even) {
    margin-left: 2.5rem;
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: var(--space-lg);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: 15rem minmax(0, 1fr);
    gap: var(--space-xl);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.5rem;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 0.15rem;
  }

  .page-faq .faq-index__link {
    padding: 0.45rem 0;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot__link,
  .page-faq .faq-item,
  .page-faq .faq-index__link,
  .page-faq .faq-search {
    transition: none;
  }

  .page-faq .faq-hot__link:hover,
  .page-faq .faq-hot__link:focus-visible {
    transform: none;
  }
}