.page-faq {
  --faq-r: 18px;
  --faq-ink-soft: rgba(243, 239, 230, .66);
  --faq-ink-faint: rgba(243, 239, 230, .42);
  --faq-body-ink: rgba(243, 239, 230, .84);
  background: var(--page-bg);
  color: var(--page-fg);
  position: relative;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(18px, 2.6vw, 30px) 0 clamp(46px, 6.5vw, 86px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: -8%;
  right: -8%;
  top: -6%;
  bottom: 8%;
  background:
    radial-gradient(120% 96% at 84% 4%, rgba(210, 98, 46, .32), transparent 62%),
    radial-gradient(90% 80% at 6% 96%, rgba(76, 143, 181, .18), transparent 60%),
    linear-gradient(158deg, var(--mid) 0%, var(--night) 56%, var(--night-deep) 100%);
  border-bottom: 2px solid var(--line-strong);
  transform: skewY(var(--tilt));
  transform-origin: 0 0;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  margin-top: clamp(18px, 2.6vw, 32px);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.025em;
  line-height: 1.06;
  font-size: clamp(2rem, 5.2vw, 3.5rem);
  margin: 12px 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero .lede {
  margin: clamp(14px, 2vw, 22px) 0 0;
  max-width: 56ch;
  color: var(--faq-body-ink);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--faq-ink-soft);
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__stats .num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
}

.page-faq .faq-hero__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--faq-r) 6px var(--faq-r) 6px;
  overflow: hidden;
  background: var(--mid);
  box-shadow: var(--shadow);
  transform: rotate(-1.4deg);
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  padding: clamp(38px, 5.4vw, 74px) 0 clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-jump__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(1.4rem, 3vw, 2.15rem);
  line-height: 1.2;
  margin: 10px 0 clamp(20px, 3vw, 32px);
  max-width: 24ch;
}

.page-faq .faq-jump__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}

.page-faq .faq-jump__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  gap: 12px;
}

.page-faq .faq-jump__card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: 4px 16px 16px 16px;
  background: var(--mid);
  color: var(--paper);
  text-decoration: none;
  transition: transform .22s ease, border-color .22s ease, background-color .22s ease;
}

.page-faq .faq-jump__card:hover,
.page-faq .faq-jump__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: var(--turf);
}

.page-faq .faq-jump__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-faq .faq-jump__label {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-faq .faq-jump__hint {
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(243, 239, 230, .6);
}

.page-faq .faq-jump__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 18px 8px 18px 8px;
  overflow: hidden;
  background: var(--mid);
  transform: rotate(1.4deg);
  max-width: 100%;
}

.page-faq .faq-jump__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(34px, 5vw, 64px) 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  align-items: start;
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-faq .faq-group__no {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 10px 4px 10px 4px;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
}

.page-faq .faq-group__meta h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(1.35rem, 2.5vw, 1.95rem);
  line-height: 1.2;
  margin: 6px 0 0;
}

.page-faq .faq-group__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
  max-width: 56ch;
}

.page-faq .faq-group--query .faq-group__no { background: var(--gold); color: var(--night); }
.page-faq .faq-group--update .faq-group__no { background: var(--clay); color: var(--paper); }
.page-faq .faq-group--map .faq-group__no { background: var(--sky); color: var(--night); }
.page-faq .faq-group--watch .faq-group__no { background: var(--indigo); color: var(--paper); }
.page-faq .faq-group--version .faq-group__no { background: var(--wine); color: var(--paper); }
.page-faq .faq-group--report .faq-group__no { background: var(--turf); color: var(--paper); }

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 0 12px;
  padding: 2px 0 2px 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: var(--clay);
  opacity: 0;
  transform: scaleY(.35);
  transform-origin: top center;
  transition: opacity .24s ease, transform .24s ease;
}

.page-faq .faq-item[data-open]::before {
  opacity: 1;
  transform: scaleY(1);
}

@supports selector(:has(*)) {
  .page-faq .faq-item:has(.disclosure__btn[aria-expanded="true"])::before {
    opacity: 1;
    transform: scaleY(1);
  }
}

.page-faq .faq-item__no {
  grid-column: 1;
  grid-row: 1;
  padding-top: 17px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--faq-ink-faint);
}

.page-faq .faq-item__btn {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  width: 100%;
  margin: 0;
  padding: 15px 36px 15px 0;
  background: none;
  border: 0;
  text-align: left;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: -.005em;
  cursor: pointer;
  transition: color .2s ease;
}

.page-faq .faq-item__btn:hover,
.page-faq .faq-item__btn:focus-visible {
  color: var(--gold);
}

.page-faq .faq-item__btn::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--gold);
  transition: color .24s ease;
}

.page-faq .faq-item__btn[aria-expanded="true"]::after {
  content: "–";
  color: var(--clay);
}

.page-faq .faq-item > .disclosure__panel {
  grid-column: 2;
  grid-row: 2;
}

.page-faq .faq-item .disclosure__body {
  padding: 0 30px 18px 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-body-ink);
}

.page-faq .faq-item .disclosure__body p {
  margin: 0 0 10px;
}

.page-faq .faq-item .disclosure__body p:last-of-type {
  margin-bottom: 4px;
}

.page-faq .faq-item .disclosure__body a:not(.faq-anchor) {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-anchor {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--faq-ink-faint);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-faq .faq-anchor:hover,
.page-faq .faq-anchor:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-more {
  padding: clamp(30px, 4.4vw, 54px) 0 clamp(52px, 7vw, 92px);
}

.page-faq .faq-more__box {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  padding: clamp(24px, 4vw, 46px);
  border: 1px solid var(--line-strong);
  border-radius: 4px 22px 22px 22px;
  background:
    radial-gradient(110% 120% at 100% 0%, rgba(240, 162, 75, .18), transparent 60%),
    linear-gradient(135deg, var(--mid), var(--night-deep));
}

.page-faq .faq-more__text h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.24;
  margin: 10px 0 0;
  max-width: 26ch;
}

.page-faq .faq-more__text p {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--faq-body-ink);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-item {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 0 16px;
    padding-left: 16px;
  }

  .page-faq .faq-item__no {
    padding-top: 18px;
    font-size: 13.5px;
  }

  .page-faq .faq-item__btn {
    font-size: 16.5px;
    padding: 16px 40px 16px 0;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: center;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-faq .faq-jump__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-more__box {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-faq .faq-more__actions {
    justify-content: flex-end;
  }
}

@media (max-width: 559px) {
  .page-faq .faq-item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 0 10px;
    padding-left: 10px;
  }

  .page-faq .faq-item__btn {
    font-size: 15.5px;
    padding-right: 28px;
  }

  .page-faq .faq-item .disclosure__body {
    padding-right: 12px;
    font-size: 14.5px;
  }

  .page-faq .faq-hero__media,
  .page-faq .faq-jump__media {
    transform: none;
  }

  .page-faq .faq-jump__grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-faq .faq-hero__media,
  .page-faq .faq-jump__media {
    transform: none;
  }
}