.page-faq {
  overflow-x: hidden;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
}

/* ============ Hero 封面区 ============ */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-xl) 0 var(--space-2xl);
  background:
    linear-gradient(135deg, rgba(212, 175, 55, .14) 0%, rgba(212, 175, 55, 0) 32%),
    linear-gradient(145deg, var(--color-primary-dark) 0%, var(--color-primary) 58%, #1a5c2e 100%);
  color: var(--color-white);
}
.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  right: -5rem;
  bottom: 2rem;
  width: 16rem;
  height: 4rem;
  background: rgba(212, 175, 55, .16);
  transform: rotate(-16deg);
}
.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 2.5rem;
  background: var(--color-paper);
  border-radius: 100% 100% 0 0 / 1.25rem 1.25rem 0 0;
}
.page-faq .faq-hero .breadcrumb__list {
  margin-bottom: var(--space-lg);
}
.page-faq .faq-hero .breadcrumb__link {
  color: rgba(255, 255, 255, .75);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-faq .faq-hero .breadcrumb__link:hover {
  color: var(--color-white);
}
.page-faq .faq-hero .breadcrumb__separator {
  color: rgba(255, 255, 255, .5);
}
.page-faq .faq-hero .breadcrumb__item[aria-current="page"] {
  color: var(--color-gold);
}
.page-faq .faq-hero__title-wrap {
  position: relative;
  z-index: 1;
}
.page-faq .faq-hero .eyebrow--gold {
  color: var(--color-gold);
}
.page-faq .faq-hero h1 {
  margin: .5rem 0 1rem;
  font-family: var(--font-title);
  font-size: var(--type-h1);
  line-height: 1.1;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-white);
}
.page-faq .faq-hero__lead {
  max-width: 56ch;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
}
.page-faq .faq-hero__media {
  position: relative;
  z-index: 1;
  margin-top: var(--space-xl);
}
.page-faq .faq-hero__figure {
  margin: 0;
  padding: .6rem;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .1);
  box-shadow: var(--shadow-lg);
}
.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - .6rem);
  object-fit: cover;
}
.page-faq .faq-hero__figure figcaption {
  padding-top: .6rem;
  text-align: center;
  font-size: var(--type-small);
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .75);
}

/* ============ 分类筛选 ============ */
.page-faq .faq-filter {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin-top: var(--space-xl);
}
.page-faq .faq-filter__label {
  margin-right: .25rem;
  font-size: var(--type-small);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .7);
}
.page-faq .faq-filter .filter-btn {
  padding: .45rem .95rem;
  border: 1px solid rgba(255, 255, 255, .45);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-white);
  font-size: var(--type-small);
  line-height: 1.2;
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.page-faq .faq-filter .filter-btn:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
}
.page-faq .faq-filter .filter-btn.is-active {
  border-color: var(--color-gold);
  background: var(--color-gold);
  color: var(--color-ink);
  font-weight: 600;
}

/* ============ 热门问题 ============ */
.page-faq .faq-hot {
  padding: var(--space-3xl) 0 var(--space-xl);
}
.page-faq .faq-hot .section-header {
  margin-bottom: var(--space-xl);
}
.page-faq .faq-hot h2,
.page-faq .faq-cats h2 {
  margin: .25rem 0 .5rem;
  font-family: var(--font-title);
  font-size: var(--type-h2);
  letter-spacing: .03em;
  text-transform: uppercase;
}
.page-faq .faq-hot .lead,
.page-faq .faq-cats .lead {
  max-width: 62ch;
  line-height: 1.6;
  color: var(--color-gray);
}
.page-faq .faq-hot__list {
  max-width: 860px;
}
.page-faq .faq-item {
  margin-bottom: var(--space-md);
  border: 1px solid rgba(26, 92, 46, .08);
  border-radius: var(--radius);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}
.page-faq .faq-item[open] {
  border-color: rgba(212, 175, 55, .45);
  box-shadow: var(--shadow-md);
}
.page-faq .faq-item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem;
  padding: 1.1rem var(--space-lg);
  list-style: none;
  cursor: pointer;
  font-size: 1.02rem;
  font-weight: 600;
}
.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item summary::after {
  content: "+";
  display: inline-block;
  flex-shrink: 0;
  margin-left: auto;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-gold);
  transition: transform var(--transition-fast);
}
.page-faq .faq-item[open] summary::after {
  transform: rotate(45deg);
}
.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}
.page-faq .faq-item__tag {
  flex-shrink: 0;
  padding: .25rem .6rem;
  border-radius: var(--radius-pill);
  background: rgba(26, 92, 46, .08);
  color: var(--color-primary);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.page-faq .faq-item__body {
  margin: 0 var(--space-lg) var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px dashed rgba(26, 92, 46, .15);
  color: var(--color-gray);
  line-height: 1.75;
}

/* ============ 分类解答 ============ */
.page-faq .faq-cats {
  padding: var(--space-2xl) 0 var(--space-3xl);
  background: var(--color-white);
}
.page-faq .faq-cats .section-header {
  margin-bottom: var(--space-xl);
}
.page-faq .faq-cats__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}
.page-faq .faq-cat-card {
  padding: var(--space-lg) var(--space-lg) var(--space-md);
  border-top: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.page-faq .faq-cat-card:nth-child(even) {
  border-top-color: var(--color-gold);
}
.page-faq .faq-cat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.page-faq .faq-cat-card__head {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: .5rem;
}
.page-faq .faq-cat-card__num {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--color-accent);
  opacity: .85;
  line-height: 1;
}
.page-faq .faq-cat-card h3 {
  margin: 0;
  font-size: var(--type-h3);
  font-weight: 600;
}
.page-faq .faq-cat-q {
  border-top: 1px solid rgba(26, 92, 46, .1);
}
.page-faq .faq-cat-q summary {
  list-style: none;
  padding: .9rem .25rem;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 600;
}
.page-faq .faq-cat-q summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-cat-q summary::before {
  content: "+";
  display: inline-block;
  margin-right: .5rem;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-gold);
  transition: transform var(--transition-fast);
}
.page-faq .faq-cat-q[open] summary::before {
  transform: rotate(45deg);
}
.page-faq .faq-cat-q__body {
  padding: 0 .25rem .9rem 1.6rem;
  font-size: .93rem;
  line-height: 1.7;
  color: var(--color-gray);
}
.page-faq .faq-cat-q__link {
  color: var(--color-primary);
  font-weight: 600;
}

/* ============ 联系支持 ============ */
.page-faq .faq-support {
  position: relative;
  overflow: hidden;
  padding: var(--space-3xl) 0;
  background:
    linear-gradient(120deg, rgba(212, 175, 55, .16) 0%, rgba(212, 175, 55, 0) 38%),
    var(--color-primary-dark);
  color: var(--color-white);
}
.page-faq .faq-support::after {
  content: "";
  position: absolute;
  top: -3rem;
  right: -4rem;
  width: 12rem;
  height: 12rem;
  border-radius: var(--radius-lg);
  background: rgba(212, 175, 55, .1);
  transform: rotate(45deg);
}
.page-faq .faq-support__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.page-faq .faq-support .eyebrow--gold {
  color: var(--color-gold);
}
.page-faq .faq-support h2 {
  margin: .25rem 0 var(--space-md);
  font-family: var(--font-title);
  font-size: var(--type-h1);
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-white);
}
.page-faq .faq-support__lead {
  max-width: 52ch;
  margin: 0;
  line-height: 1.7;
  color: rgba(255, 255, 255, .85);
}
.page-faq .faq-support__list {
  display: grid;
  gap: var(--space-md);
  margin: var(--space-xl) 0;
  padding: 0;
  list-style: none;
}
.page-faq .faq-support__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .09);
}
.page-faq .faq-support__item span {
  display: inline-block;
  min-width: 4.5em;
  font-size: var(--type-small);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-support__item strong {
  font-size: 1.05rem;
  font-weight: 600;
  word-break: break-all;
}
.page-faq .faq-support__note {
  max-width: 52ch;
  margin: 0;
  font-size: var(--type-small);
  line-height: 1.6;
  color: rgba(255, 255, 255, .7);
}
.page-faq .faq-support__visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.page-faq .faq-support__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ============ 响应式增强 ============ */
@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: var(--space-2xl) 0 var(--space-3xl);
  }
  .page-faq .faq-hero__frame {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: var(--space-2xl);
    align-items: center;
    margin-top: var(--space-xl);
  }
  .page-faq .faq-hero__media {
    margin-top: 0;
  }
  .page-faq .faq-hot {
    padding: var(--space-3xl) 0 var(--space-2xl);
  }
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-faq .faq-support__grid {
    grid-template-columns: 1fr .8fr;
    gap: var(--space-3xl);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-filter {
    justify-content: flex-start;
  }
  .page-faq .faq-cats__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}