.page-faq{
  position: relative;
  overflow-x: hidden;
  color: var(--color-text);
  background:
    radial-gradient(1200px 480px at 85% -5%, rgba(27,107,138,.16), transparent 60%),
    radial-gradient(900px 420px at 8% 12%, rgba(74,59,119,.18), transparent 55%),
    var(--color-bg);
}

/* ========== Hero ========== */
.page-faq .faq-hero{
  padding: calc(var(--header-top) + 52px) 0 0;
}
.page-faq .breadcrumb{
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(28px, 5vw, 52px);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--color-muted);
}
.page-faq .breadcrumb a{
  color: var(--color-muted);
  text-decoration: none;
  transition: color .3s var(--ease);
}
.page-faq .breadcrumb a:hover{
  color: var(--color-gold);
}
.page-faq .breadcrumb__sep{
  opacity: .5;
}
.page-faq .faq-hero__grid{
  display: grid;
  gap: 36px;
  align-items: center;
}
.page-faq .faq-hero__content{
  position: relative;
  z-index: 2;
}
.page-faq .faq-hero__eyebrow{
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-hero__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 54px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: .01em;
  transform: skewX(-2deg);
}
.page-faq .faq-hero__intro{
  margin: 22px 0 0;
  max-width: 640px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.9;
}
.page-faq .faq-hero__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.page-faq .faq-hero__tag{
  text-decoration: none;
  transition: transform .3s var(--ease), filter .3s var(--ease);
}
.page-faq .faq-hero__tag:hover{
  transform: translateY(-2px);
  filter: brightness(1.15);
}
.page-faq .faq-hero__media{
  margin: 0;
  width: 100%;
}
.page-faq .faq-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) + 8px);
  border: 1px solid rgba(139,148,163,.16);
  box-shadow: 0 36px 80px -48px rgba(27,107,138,.6);
}
.page-faq .faq-hero__stats{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: clamp(36px, 7vw, 72px);
  padding: 14px;
  background: rgba(15,44,51,.38);
  border: 1px solid rgba(139,148,163,.12);
  border-radius: var(--radius-xl);
}
.page-faq .faq-hero__stats .stat-card{
  padding: 16px 10px;
  text-align: center;
  background: transparent;
  border: 0;
}
.page-faq .faq-hero__stats .stat-card__value{
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--color-gold);
  display: block;
}
.page-faq .faq-hero__stats .stat-card__label{
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--color-muted);
}

/* ========== Layout / 章节目录 ========== */
.page-faq .faq-layout{
  display: grid;
  gap: 36px;
  align-items: start;
  margin-top: clamp(48px, 8vw, 88px);
}
.page-faq .faq-chapter-nav{
  position: sticky;
  top: calc(var(--header-top) + 64px);
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px;
  background: rgba(10,14,20,.72);
  border: 1px solid rgba(139,148,163,.14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
}
.page-faq .faq-chapter-nav__label{
  flex: 0 0 100%;
  margin: 0 4px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .chapter-nav__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.page-faq .chapter-nav__link:hover{
  color: var(--color-text);
  border-color: rgba(201,168,106,.4);
  background: rgba(201,168,106,.08);
}
.page-faq .faq-chapter-nav__index{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-primary);
}

/* ========== FAQ 组 ========== */
.page-faq .faq-layout__body{
  min-width: 0;
}
.page-faq .faq-group{
  margin-bottom: clamp(54px, 8vw, 90px);
  scroll-margin-top: 120px;
}
.page-faq .faq-group__header{
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 26px;
}
.page-faq .faq-group__num{
  flex: none;
  padding: 4px 12px;
  border: 1px solid rgba(201,168,106,.45);
  border-radius: 12px;
  background: rgba(201,168,106,.07);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-gold);
}
.page-faq .faq-group__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: .02em;
}
.page-faq .faq-group__desc{
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}
.page-faq .faq-group__items{
  display: grid;
  gap: 16px;
}

/* ========== 手风琴条目 ========== */
.page-faq .faq-item{
  border: 1px solid rgba(139,148,163,.16);
  border-radius: var(--radius-xl);
  background: var(--color-bg-deep);
  overflow: hidden;
  transition: border-color .45s var(--ease), background .45s var(--ease), box-shadow .45s var(--ease);
}
.page-faq .faq-item[open]{
  border-color: rgba(128,103,176,.55);
  background: linear-gradient(135deg, rgba(74,59,119,.42) 0%, rgba(15,44,51,.58) 48%, rgba(10,14,20,.9) 100%);
  box-shadow: 0 24px 64px -42px rgba(74,59,119,.75);
}
.page-faq .faq-item__summary{
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 22px;
  cursor: pointer;
}
.page-faq .faq-item__summary::-webkit-details-marker{
  display: none;
}
.page-faq .faq-item__summary:focus-visible{
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.page-faq .faq-item__num{
  flex: none;
  padding: 2px 8px;
  border: 1px solid rgba(27,107,138,.4);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-primary);
}
.page-faq .faq-item[open] .faq-item__num{
  color: var(--color-success);
  border-color: rgba(91,192,190,.5);
}
.page-faq .faq-item__title{
  flex: 1;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.6;
}
.page-faq .faq-item__icon{
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid rgba(139,148,163,.3);
  border-radius: 50%;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.page-faq .faq-item__icon::before,
.page-faq .faq-item__icon::after{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 2px;
  background: var(--color-gold);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform .4s var(--ease);
}
.page-faq .faq-item__icon::after{
  width: 2px;
  height: 12px;
}
.page-faq .faq-item[open] .faq-item__icon{
  transform: rotate(45deg);
  border-color: rgba(201,168,106,.55);
  background: rgba(201,168,106,.14);
}
.page-faq .faq-item__panel{
  display: grid;
  gap: 18px;
  padding: 0 22px 24px clamp(44px, 9%, 92px);
}
.page-faq .faq-item__answer p{
  margin: 0;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.9;
}
.page-faq .faq-item__links{
  padding: 14px 16px;
  background: rgba(74,59,119,.28);
  border: 1px solid rgba(128,103,176,.4);
  border-radius: 16px;
}
.page-faq .faq-item__links-label{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-item__links a{
  display: block;
  padding: 6px 0;
  border-bottom: 1px dashed rgba(139,148,163,.18);
  color: var(--color-text);
  font-size: 14px;
  text-decoration: none;
  transition: color .3s var(--ease), border-color .3s var(--ease);
}
.page-faq .faq-item__links a:last-of-type{
  border-bottom: 0;
}
.page-faq .faq-item__links a:hover{
  color: var(--color-gold);
  border-color: rgba(201,168,106,.5);
}

/* ========== 客服联络台 ========== */
.page-faq .faq-desk{
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(56px, 9vw, 110px);
  overflow: hidden;
  border: 1px solid rgba(128,103,176,.38);
  border-radius: var(--radius-xl);
  background: linear-gradient(120deg, rgba(15,44,51,.88) 0%, rgba(74,59,119,.68) 58%, rgba(27,107,138,.5) 100%);
}
.page-faq .faq-desk__media-wrap{
  position: relative;
  min-height: 200px;
  overflow: hidden;
}
.page-faq .faq-desk__img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .85;
}
.page-faq .faq-desk__content{
  padding: 32px 24px 36px;
}
.page-faq .faq-desk__eyebrow{
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--color-gold);
}
.page-faq .faq-desk__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 800;
}
.page-faq .faq-desk__lead{
  margin: 14px 0 24px;
  max-width: 540px;
  color: var(--color-muted);
  font-size: 15px;
  line-height: 1.85;
}
.page-faq .faq-desk__list{
  display: grid;
  gap: 12px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}
.page-faq .faq-desk__item{
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 16px;
  background: rgba(7,10,15,.32);
  border: 1px solid rgba(139,148,163,.16);
  border-radius: 14px;
}
.page-faq .faq-desk__item span{
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--color-muted);
}
.page-faq .faq-desk__mono{
  font-family: var(--font-mono);
  font-size: 14px;
  word-break: break-all;
  color: var(--color-text);
}
.page-faq .faq-desk__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-faq .faq-desk__note{
  margin: 20px 0 0;
  max-width: 520px;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.7;
}

/* ========== 相关导航 ========== */
.page-faq .faq-next{
  display: grid;
  gap: 14px;
  margin-top: clamp(48px, 8vw, 80px);
  margin-bottom: clamp(48px, 8vw, 80px);
}
.page-faq .faq-next__card{
  position: relative;
  display: block;
  padding: 24px 22px;
  overflow: hidden;
  border: 1px solid rgba(139,148,163,.14);
  border-radius: var(--radius-lg);
  background: var(--color-bg-deep);
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}
.page-faq .faq-next__card::after{
  content: "";
  position: absolute;
  right: -24px;
  top: -32px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(27,107,138,.3), transparent 60%);
}
.page-faq .faq-next__card:hover{
  transform: translateY(-3px);
  border-color: rgba(27,107,138,.6);
  background: rgba(15,44,51,.4);
}
.page-faq .faq-next__card:hover .faq-next__title{
  color: var(--color-gold);
}
.page-faq .faq-next__index{
  position: relative;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--color-gold);
}
.page-faq .faq-next__title{
  display: block;
  position: relative;
  z-index: 1;
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  transition: color .3s var(--ease);
}
.page-faq .faq-next__desc{
  display: block;
  position: relative;
  z-index: 1;
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ========== 响应式增强 ========== */
@media (min-width: 640px){
  .page-faq .faq-hero__stats{
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    padding: 18px;
  }
  .page-faq .faq-item__panel{
    grid-template-columns: 1fr 180px;
  }
  .page-faq .faq-item__links{
    align-self: start;
  }
  .page-faq .faq-next{
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(36px, 6vw, 76px);
  }
  .page-faq .faq-hero__media img{
    max-height: 560px;
  }
  .page-faq .faq-desk{
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  }
  .page-faq .faq-desk__media-wrap{
    min-height: 100%;
  }
  .page-faq .faq-desk__content{
    padding: clamp(32px, 5vw, 56px);
  }
}

@media (min-width: 1024px){
  .page-faq .faq-layout{
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 48px;
  }
  .page-faq .faq-chapter-nav{
    flex-direction: column;
  }
  .page-faq .faq-chapter-nav__link{
    width: 100%;
  }
  .page-faq .faq-item__panel{
    grid-template-columns: 1fr 220px;
  }
}