.page-faq {
  background: var(--ink);
  color: var(--fog);
  padding-bottom: 64px;
}

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

.page-faq .faq-crumbs {
  padding-top: 18px;
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  margin-top: 14px;
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: center top;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 5px;
  background: linear-gradient(90deg, var(--grass), var(--orange) 45%, var(--indigo) 74%, var(--wine));
  opacity: 0.85;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 26px;
}

.page-faq .faq-kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grass);
}

.page-faq .faq-hero h1 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-faq .faq-lede {
  margin: 0;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(242, 246, 245, 0.82);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--fog);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-faq .faq-jump a .mono {
  font-size: 11px;
  color: var(--grass);
}

.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible {
  border-color: var(--grass);
  background: rgba(47, 191, 113, 0.14);
  color: var(--fog);
}

.page-faq .faq-hero__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}

.page-faq .faq-hero__fig img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-hero__fig .img-frame__cap {
  padding: 8px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
  margin-top: 36px;
  padding: 20px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-faq .faq-rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-faq .faq-rail__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink);
}

.page-faq .faq-rail__fig img {
  width: 100%;
  object-fit: cover;
}

.page-faq .faq-rail__nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.page-faq .faq-rail__nav a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 10px 10px;
  border-left: 2px solid var(--line-strong);
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--fog);
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-rail__nav a .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grass);
}

.page-faq .faq-rail__nav a:hover,
.page-faq .faq-rail__nav a:focus-visible {
  border-left-color: var(--grass);
  background: rgba(47, 191, 113, 0.1);
}

.page-faq .faq-rail__note {
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  border-radius: var(--r);
  background: rgba(7, 26, 43, 0.6);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 246, 245, 0.75);
}

.page-faq .faq-rail__note p {
  margin: 0 0 8px;
}

.page-faq .faq-rail__link {
  color: var(--grass);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 191, 113, 0.4);
}

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

/* ---------- 问答组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 34px;
}

.page-faq .faq-group .section-head {
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group:target .section-head__title {
  color: var(--grass);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--ink);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-item:hover {
  border-left-color: rgba(47, 191, 113, 0.7);
}

.page-faq .faq-item[open] {
  border-left-color: var(--grass);
  background: #081e30;
}

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 14px 14px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--fog);
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--grass);
  outline-offset: -2px;
}

.page-faq .faq-item__no {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--grass);
}

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

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  align-self: center;
  color: var(--grass);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: currentColor;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.page-faq .faq-item__sign::before {
  width: 13px;
  height: 2px;
}

.page-faq .faq-item__sign::after {
  width: 2px;
  height: 13px;
}

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

.page-faq .faq-item__a {
  padding: 0 14px 14px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 38em;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 246, 245, 0.8);
  overflow-wrap: break-word;
}

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

.page-faq .faq-item__rel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
}

.page-faq .faq-item__rel span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .faq-item__rel a {
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 191, 113, 0.35);
}

.page-faq .faq-item__rel a:hover,
.page-faq .faq-item__rel a:focus-visible {
  border-bottom-color: var(--grass);
}

/* ---------- 四步自查 ---------- */
.page-faq .faq-steps {
  margin-top: 34px;
  padding: 20px 16px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background:
    linear-gradient(135deg, rgba(47, 191, 113, 0.13), rgba(255, 107, 26, 0.09) 58%, rgba(42, 35, 82, 0.62));
}

.page-faq .faq-steps__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-steps__list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding-left: 20px;
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: -18px;
  width: 2px;
  background: linear-gradient(var(--grass), rgba(47, 191, 113, 0.12));
}

.page-faq .faq-step:last-child::before {
  bottom: auto;
  height: 12px;
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-step h3 {
  margin: 4px 0 6px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fog);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(242, 246, 245, 0.76);
}

/* ---------- 底部行动区 ---------- */
.page-faq .faq-cta {
  margin-top: 40px;
  padding: 30px 0 8px;
  border-top: 1px solid var(--line);
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-faq .faq-cta__grid {
  display: grid;
  gap: 22px;
}

.page-faq .faq-cta h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 4.6vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-faq .faq-cta p {
  margin: 0 0 10px;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 246, 245, 0.8);
}

.page-faq .faq-cta__contact {
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--grass);
  overflow-wrap: break-word;
}

.page-faq .faq-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-start;
}

.page-faq .faq-cta__links .btn {
  font-size: 13.5px;
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-steps {
    padding: 24px 22px 26px;
  }

  .page-faq .faq-steps__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .page-faq .faq-step {
    padding: 16px 10px 0 0;
    border-top: 2px solid rgba(47, 191, 113, 0.45);
  }

  .page-faq .faq-step::before {
    display: none;
  }

  .page-faq .faq-step::after {
    content: "";
    position: absolute;
    right: 2px;
    top: -6px;
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--orange);
    border-top: 2px solid var(--orange);
    transform: rotate(45deg);
  }

  .page-faq .faq-step:last-child::after {
    display: none;
  }

  .page-faq .faq-item summary {
    padding: 16px 18px;
    font-size: 15.5px;
  }

  .page-faq .faq-item__a {
    padding: 0 18px 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 52px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    align-items: center;
    gap: 44px;
  }

  .page-faq .faq-lede {
    font-size: 16.5px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 44px;
    padding: 32px 30px 36px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-rail__nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-faq .faq-rail__nav a {
    padding: 11px 12px;
    font-size: 14px;
  }

  .page-faq .faq-cta__grid {
    grid-template-columns: 1.2fr 0.8fr;
    gap: 36px;
    align-items: center;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump a,
  .page-faq .faq-rail__nav a,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }
}