.page-faq {
  --faq-shell: clamp(18px, 3vw, 48px);
  background:
    radial-gradient(120% 55% at 82% 0%, rgba(216, 255, 62, 0.10), transparent 62%),
    radial-gradient(90% 45% at 0% 38%, rgba(30, 90, 69, 0.34), transparent 66%),
    var(--ods-ink);
  color: var(--ods-chalk);
  padding-bottom: clamp(64px, 9vw, 120px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: clamp(22px, 4vw, 52px) 0 clamp(20px, 3vw, 40px);
}
.page-faq .faq-hero__inner {
  display: grid;
  gap: 16px;
}
.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--ods-font-display);
  font-weight: 900;
  letter-spacing: -0.025em;
  line-height: 1.06;
  font-size: clamp(30px, 6.2vw, 60px);
  max-width: 22ch;
}
.page-faq .faq-hero__lead {
  max-width: 40em;
  color: var(--ods-chalk);
  margin: 0;
}
.page-faq .faq-hero__meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-hero__meta li {
  font-family: var(--ods-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ods-stand);
  background: var(--ods-deep);
  border: 1px solid var(--ods-line);
  border-radius: var(--ods-pill);
  padding: 7px 15px;
  line-height: 1.4;
}
.page-faq .faq-hero__meta .ods-mono {
  color: var(--ods-lime);
}

/* ---------- 四类入口 ---------- */
.page-faq .faq-fork {
  padding: clamp(26px, 4vw, 56px) 0 0;
}
.page-faq .faq-fork__intro {
  margin: 10px 0 0;
  max-width: 38em;
  color: var(--ods-stand);
}
.page-faq .faq-fork__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 34px);
}
.page-faq .faq-fork__item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 22px 20px;
  border: 1px solid var(--ods-line);
  border-radius: var(--ods-radius-md);
  background: linear-gradient(160deg, rgba(14, 43, 34, 0.95), rgba(18, 60, 46, 0.62));
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition: background-color 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}
.page-faq .faq-fork__item::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(216, 255, 62, 0.06);
  pointer-events: none;
}
.page-faq .faq-fork__item:hover,
.page-faq .faq-fork__item:focus-visible {
  background-color: var(--ods-turf);
  border-color: var(--ods-lime);
  transform: translateX(2px);
}
.page-faq .faq-fork__label {
  display: inline-flex;
  align-items: center;
  font-family: var(--ods-font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--ods-stand);
}
.page-faq .faq-fork__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 8px;
}
.page-faq .faq-fork__dot--lime { background: var(--ods-lime); }
.page-faq .faq-fork__dot--amber { background: var(--ods-amber); }
.page-faq .faq-fork__dot--moss { background: var(--ods-moss); }
.page-faq .faq-fork__dot--red { background: var(--ods-red); }
.page-faq .faq-fork__name {
  font-family: var(--ods-font-display);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.15;
  font-size: clamp(21px, 3vw, 27px);
}
.page-faq .faq-fork__desc {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ods-stand);
}
.page-faq .faq-fork__count {
  font-size: 12.5px;
  color: var(--ods-lime);
  letter-spacing: 0.05em;
}
.page-faq .faq-fork__figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-fork__media {
  border-radius: var(--ods-radius-lg);
  overflow: hidden;
  background: var(--ods-turf);
  aspect-ratio: 14 / 9;
}
.page-faq .faq-fork__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 章节通用 ---------- */
.page-faq .faq-section {
  padding: clamp(38px, 6vw, 84px) 0 0;
  scroll-margin-top: 24px;
}
.page-faq .faq-section__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}
.page-faq .faq-section__num {
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--ods-lime);
}
.page-faq .faq-section__sub {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ods-stand);
}
.page-faq .faq-section__foot {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ods-stand);
  border-left: 2px solid var(--ods-line);
  padding-left: 14px;
}
.page-faq .faq-link {
  color: var(--ods-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 255, 62, 0.4);
}
.page-faq .faq-link:hover {
  border-bottom-color: var(--ods-lime);
}

/* ---------- 排查步骤折叠块 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: 10px;
}
.page-faq .faq-step {
  border: 1px solid var(--ods-line);
  border-radius: var(--ods-radius-sm);
  background: rgba(18, 60, 46, 0.42);
  overflow: hidden;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.page-faq .faq-step[open] {
  background: var(--ods-turf);
  border-color: rgba(216, 255, 62, 0.45);
}
.page-faq .faq-step__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-step__summary::-webkit-details-marker {
  display: none;
}
.page-faq .faq-step__summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--ods-font-mono);
  font-size: 15px;
  color: var(--ods-lime);
  line-height: 1;
}
.page-faq .faq-step[open] .faq-step__summary::after {
  content: "\2013";
}
.page-faq .faq-step__summary:hover {
  background: rgba(216, 255, 62, 0.06);
}
.page-faq .faq-step__index {
  flex: none;
  font-size: 13px;
  color: var(--ods-lime);
  letter-spacing: 0.06em;
}
.page-faq .faq-step__name {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}
.page-faq .faq-step__content {
  padding: 0 18px 17px 46px;
}
.page-faq .faq-step__content p {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ods-chalk);
  max-width: 40em;
}

/* ---------- 分隔带 ---------- */
.page-faq .faq-band {
  margin-top: clamp(42px, 6vw, 88px);
  padding: clamp(28px, 5vw, 62px) 0;
  background: linear-gradient(112deg, rgba(14, 43, 34, 0.98) 0%, rgba(18, 60, 46, 0.72) 58%, rgba(7, 11, 10, 0.96) 100%);
  border-top: 1px solid var(--ods-line);
  border-bottom: 1px solid var(--ods-line);
}
.page-faq .faq-band__figure {
  margin: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-band__media {
  border-radius: var(--ods-radius-lg);
  overflow: hidden;
  background: var(--ods-ink);
  aspect-ratio: 3 / 2;
}
.page-faq .faq-band__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 人工支持 ---------- */
.page-faq .faq-help {
  padding: clamp(40px, 6vw, 86px) 0 0;
}
.page-faq .faq-help__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-faq .faq-help__panel {
  border: 1px solid var(--ods-line);
  border-radius: var(--ods-radius-md);
  background: rgba(18, 60, 46, 0.44);
  padding: clamp(20px, 3vw, 30px);
  display: grid;
  gap: 14px;
  align-content: start;
}
.page-faq .faq-help__panel--contact {
  background: linear-gradient(158deg, rgba(14, 43, 34, 0.98), rgba(7, 11, 10, 0.9));
  border-color: rgba(216, 255, 62, 0.35);
}
.page-faq .faq-help__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-faq .faq-help__list li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.7;
  border-bottom: 1px dashed rgba(30, 90, 69, 0.8);
  padding-bottom: 10px;
}
.page-faq .faq-help__list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.page-faq .faq-help__idx {
  flex: none;
  font-size: 12.5px;
  color: var(--ods-lime);
  letter-spacing: 0.08em;
}
.page-faq .faq-help__contact {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  align-items: baseline;
}
.page-faq .faq-help__contact dt {
  font-size: 13px;
  color: var(--ods-stand);
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.page-faq .faq-help__contact dd {
  margin: 0;
  font-size: 14.5px;
  color: var(--ods-chalk);
  word-break: break-word;
}
.page-faq .faq-help__panel--contact .ods-muted {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ods-stand);
}
.page-faq .faq-help__panel--contact .ods-btn {
  justify-self: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-fork__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
  .page-faq .faq-step__summary {
    padding: 17px 22px;
  }
  .page-faq .faq-step__content {
    padding: 0 22px 20px 58px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-hero {
    padding-top: clamp(32px, 4vw, 64px);
  }
  .page-faq .faq-fork__grid {
    gap: 20px;
  }
  .page-faq .faq-help__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 22px;
  }
  .page-faq .faq-fork__item {
    padding: 26px 26px 24px;
  }
}