.page-faq {
  --faq-gap: 72px;
  background: var(--paper);
  color: var(--ink);
  padding-bottom: 96px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 72px 0 52px;
  border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(640px 320px at 84% 8%, rgba(255, 179, 0, .24), transparent 68%),
    radial-gradient(520px 300px at 8% 92%, rgba(255, 111, 97, .16), transparent 70%),
    var(--paper);
}

.page-faq .faq-hero__kicker {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--amber-deep);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-faq .faq-hero__lede {
  margin: 24px 0 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__jump a {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--rule-strong);
  background: var(--card);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: .03em;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
}

.page-faq .faq-hero__jump a:hover,
.page-faq .faq-hero__jump a:focus-visible {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--amber);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 44px;
  margin-top: 56px;
}

.page-faq .faq-main {
  min-width: 0;
}

.page-faq .faq-main > * + * {
  margin-top: var(--faq-gap);
}

/* ---------- 先看这三条 ---------- */
.page-faq .faq-top3__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-faq .faq-top3__note {
  margin: 8px 0 0;
  font-size: 15px;
  color: var(--grey);
}

.page-faq .faq-top3__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  background: var(--rule);
  border: 1px solid var(--rule-strong);
}

.page-faq .faq-top3__item {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--card);
  display: flex;
  flex-direction: column;
}

.page-faq .faq-top3__item::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber), var(--coral));
}

.page-faq .faq-top3__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber-deep);
}

.page-faq .faq-top3__q {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
}

.page-faq .faq-top3__a {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-soft);
  flex: 1 1 auto;
}

.page-faq .faq-line-link {
  display: inline-block;
  margin-top: 16px;
  align-self: flex-start;
  font-size: 14px;
  font-weight: 700;
  color: var(--coral-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}

.page-faq .faq-line-link:hover,
.page-faq .faq-line-link:focus-visible {
  color: var(--navy);
  border-color: var(--coral);
}

/* ---------- 章节 ---------- */
.page-faq .faq-sec {
  scroll-margin-top: 88px;
}

.page-faq .faq-sec__head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule-strong);
  margin-bottom: 26px;
}

.page-faq .faq-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-size: clamp(23px, 3.4vw, 32px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.25;
}

.page-faq .faq-sec__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--coral-deep);
  padding-bottom: 3px;
  border-bottom: 2px solid var(--amber);
}

.page-faq .faq-sec__note {
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-faq .faq-sec__media {
  margin: 0 0 26px;
}

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

/* ---------- 问答列表 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--rule);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 42px 18px 0;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.65;
  color: var(--ink);
  transition: color .18s ease;
}

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

.page-faq .faq-item__q:hover {
  color: var(--coral-deep);
}

.page-faq .faq-item__q::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 27px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(45deg);
  transition: transform .2s ease;
}

.page-faq .faq-item[open] > .faq-item__q::after {
  transform: rotate(-135deg);
}

.page-faq .faq-item__num {
  flex: none;
  min-width: 46px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--amber-deep);
}

.page-faq .faq-item__text {
  min-width: 0;
}

.page-faq .faq-item__a {
  margin: 0 0 22px 60px;
  padding: 16px 20px 18px;
  background: var(--mist);
  border-left: 3px solid var(--amber);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 10px;
}

.page-faq .faq-item__a a {
  color: var(--coral-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-sec--help {
  scroll-margin-top: 88px;
}

.page-faq .faq-help {
  padding: 34px 26px 36px;
  background: var(--navy);
  color: var(--paper);
  border-top: 4px solid var(--amber);
}

.page-faq .faq-help__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-faq .faq-help__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-faq .faq-help__text {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-aside {
  min-width: 0;
}

.page-faq .faq-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--grey);
}

.page-faq .faq-aside__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule-strong);
}

.page-faq .faq-aside__list li {
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-aside__list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 2px;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: color .18s ease, padding-left .18s ease;
}

.page-faq .faq-aside__list a:hover,
.page-faq .faq-aside__list a:focus-visible {
  color: var(--coral-deep);
  padding-left: 8px;
}

.page-faq .faq-aside__list a span {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber-deep);
}

.page-faq .faq-aside__panel {
  margin-top: 30px;
  padding: 22px 20px 24px;
  background: var(--navy);
  color: var(--paper);
  border-top: 3px solid var(--amber);
}

.page-faq .faq-aside__panel-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-faq .faq-aside__contact {
  margin: 16px 0 0;
  display: grid;
  gap: 4px;
}

.page-faq .faq-aside__contact dt {
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(251, 243, 226, .62);
}

.page-faq .faq-aside__contact dd {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-aside__panel-note {
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(251, 243, 226, .22);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq {
    --faq-gap: 56px;
    padding-bottom: 72px;
  }

  .page-faq .faq-hero {
    padding: 48px 0 40px;
  }

  .page-faq .faq-hero__jump a {
    padding: 8px 13px;
    font-size: 13px;
  }

  .page-faq .faq-item__q {
    padding-right: 34px;
    font-size: 16px;
  }

  .page-faq .faq-item__num {
    min-width: 38px;
    font-size: 12px;
  }

  .page-faq .faq-item__q::after {
    top: 23px;
    right: 6px;
    width: 8px;
    height: 8px;
  }

  .page-faq .faq-item__a {
    margin-left: 0;
    padding: 14px 16px 16px;
    font-size: 15px;
  }

  .page-faq .faq-help {
    padding: 26px 18px 30px;
  }
}

@media (min-width: 720px) {
  .page-faq .faq-top3__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 60px;
    margin-top: 72px;
  }

  .page-faq .faq-aside__sticky {
    position: sticky;
    top: 34px;
  }

  .page-faq .faq-help {
    padding: 42px 40px 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hero__jump a,
  .page-faq .faq-line-link,
  .page-faq .faq-item__q,
  .page-faq .faq-item__q::after,
  .page-faq .faq-aside__list a {
    transition: none;
  }
}