.page-faq {
  --faq-card: #FFFDF8;
  --faq-hair: rgba(14, 15, 18, 0.10);
  --faq-body-text: #474C56;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(40px, 6.5vw, 88px) 0 clamp(44px, 7vw, 96px);
  color: var(--fq-ivory);
  background:
    radial-gradient(115% 82% at 88% 4%, rgba(16, 139, 108, 0.22), transparent 58%),
    radial-gradient(92% 72% at 2% 98%, rgba(122, 15, 30, 0.62), transparent 64%),
    linear-gradient(158deg, #0E0F12 0%, #101B2B 60%, #0E0F12 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, rgba(212, 160, 23, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(212, 160, 23, 0.13) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 76%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.4) 76%, transparent 100%);
  pointer-events: none;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
}

.page-faq .faq-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: 0.01em;
  background: linear-gradient(98deg, #F7F2E8 0%, #D4A017 54%, #B8752E 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-faq .faq-hero__lead {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: clamp(15.5px, 1.9vw, 17px);
  line-height: 1.92;
  color: rgba(242, 233, 216, 0.86);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius-l);
  box-shadow: 0 32px 72px -44px rgba(0, 0, 0, 0.95);
}

/* ---------- 快速问答 ---------- */

.page-faq .faq-quick {
  padding: clamp(44px, 6vw, 84px) 0 clamp(40px, 5vw, 72px);
}

.page-faq .faq-quick__grid {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-quick__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px clamp(16px, 2.2vw, 24px) 18px;
  background: var(--faq-card);
  border: 1px solid var(--faq-hair);
  border-radius: var(--radius-m);
  transition: transform 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .faq-quick__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--fq-red), var(--fq-gold) 58%, transparent);
  opacity: 0.5;
  transition: opacity 0.28s var(--ease);
}

.page-faq .faq-quick__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--fq-copper);
}

.page-faq .faq-quick__q {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fq-text);
}

.page-faq .faq-quick__a {
  margin: 0;
  font-size: 15px;
  line-height: 1.86;
  color: var(--faq-body-text);
}

.page-faq .faq-quick__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: auto 0 0;
  padding-top: 4px;
}

.page-faq .faq-quick__link,
.page-faq .faq-item__link {
  font-size: 14px;
  font-weight: 600;
  color: var(--fq-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 16, 46, 0.32);
  padding-bottom: 1px;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

/* ---------- 主体区 ---------- */

.page-faq .faq-body {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0 clamp(48px, 6vw, 96px);
  background: var(--fq-porcelain);
}

.page-faq .faq-body::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(14, 15, 18, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(14, 15, 18, 0.045) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
}

.page-faq .faq-body__layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}

/* 分类导航 */

.page-faq .faq-nav {
  padding: 14px;
  border: 1px solid rgba(212, 160, 23, 0.3);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, #0E0F12 0%, #17273F 92%);
}

.page-faq .faq-nav__caption {
  margin: 0 0 10px 4px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--fq-gold);
}

.page-faq .faq-nav__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 4px 6px 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(212, 160, 23, 0.22);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.3;
  white-space: nowrap;
  scroll-snap-align: start;
  color: rgba(242, 233, 216, 0.86);
  text-decoration: none;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-faq .faq-nav__link svg {
  flex: none;
  color: var(--fq-gold);
}

/* 问题分组 */

.page-faq .faq-group {
  scroll-margin-top: 92px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 58px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 16px clamp(16px, 2.4vw, 26px) 14px;
  border-left: 3px solid var(--fq-gold);
  border-radius: var(--radius-m) var(--radius-m) 0 0;
  background: linear-gradient(104deg, #0E0F12 0%, #17273F 80%);
  color: var(--fq-ivory);
}

.page-faq .faq-group__num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--fq-gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(19px, 3.2vw, 23px);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.page-faq .faq-group__stamp {
  margin-left: auto;
  font-size: 12px;
  color: rgba(242, 233, 216, 0.6);
}

.page-faq .faq-group__lead {
  flex: 1 1 100%;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(242, 233, 216, 0.72);
}

.page-faq .faq-group__list {
  overflow: hidden;
  border: 1px solid var(--faq-hair);
  border-top: none;
  border-left: 3px solid rgba(212, 160, 23, 0.36);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  background: var(--faq-card);
}

/* 手风琴 */

.page-faq .faq-item + .faq-item {
  border-top: 1px solid rgba(14, 15, 18, 0.08);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 16px clamp(16px, 2.4vw, 26px);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--fq-text);
  cursor: pointer;
  list-style: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  background: rgba(212, 160, 23, 0.08);
}

.page-faq .faq-item[open] > .faq-item__q {
  color: var(--fq-cinnabar);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  transition: transform 0.28s var(--ease), background 0.26s var(--ease), border-color 0.26s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--fq-gold);
  transform: translate(-50%, -50%);
  transition: opacity 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-item__sign::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__sign {
  transform: rotate(180deg);
  background: var(--fq-jade);
  border-color: var(--fq-jade);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after {
  background: #FFFFFF;
}

.page-faq .faq-item[open] .faq-item__sign::after {
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 clamp(16px, 2.4vw, 26px) 20px;
  border-left: 2px solid rgba(15, 139, 108, 0.5);
  margin-left: clamp(16px, 2.4vw, 26px);
  animation: page-faq-item-in 0.28s var(--ease);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--faq-body-text);
}

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

.page-faq .faq-item__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

@keyframes page-faq-item-in {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 分组配图 */

.page-faq .faq-group__media {
  max-width: 320px;
  margin: 26px auto 0;
  border-radius: var(--radius-m);
}

/* ---------- 交互增强 ---------- */

@media (hover: hover) {
  .page-faq .faq-quick__card:hover {
    transform: translateY(-3px);
    border-color: var(--line-gold);
    box-shadow: var(--shadow-lift);
  }

  .page-faq .faq-quick__card:hover::before {
    opacity: 1;
  }

  .page-faq .faq-quick__link:hover,
  .page-faq .faq-item__link:hover {
    color: var(--fq-cinnabar);
    border-bottom-color: var(--fq-cinnabar);
  }
}

/* ---------- 断点 ---------- */

@media (min-width: 760px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
    gap: clamp(32px, 4.6vw, 64px);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__layout {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: clamp(36px, 4vw, 60px);
  }

  .page-faq .faq-nav {
    position: sticky;
    top: 96px;
    padding: 18px 14px;
  }

  .page-faq .faq-nav__list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
    scroll-snap-type: none;
  }

  .page-faq .faq-nav__link {
    justify-content: flex-start;
    padding: 10px 12px;
    border-color: transparent;
    border-radius: var(--radius-s);
    white-space: normal;
  }

  .page-faq .faq-nav__link:hover {
    background: rgba(212, 160, 23, 0.1);
    border-color: rgba(212, 160, 23, 0.34);
    color: var(--fq-ivory);
  }

  .page-faq .faq-group {
    scroll-margin-top: 108px;
  }

  .page-faq .faq-item__a {
    max-width: 74ch;
  }

  .page-faq .faq-group__media {
    max-width: 380px;
    margin: 28px 0 0 auto;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-quick__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick__card,
  .page-faq .faq-quick__card::before,
  .page-faq .faq-item__q,
  .page-faq .faq-item__sign,
  .page-faq .faq-nav__link,
  .page-faq .faq-quick__link,
  .page-faq .faq-item__link {
    transition: none;
  }

  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-quick__card:hover {
    transform: none;
  }
}