.page-faq {
  --faq-tint: rgba(217, 169, 60, 0.16);
  --faq-hair: rgba(201, 214, 207, 0.4);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-faq .crumbs {
  padding: 20px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--forest-2);
}

.page-faq .crumbs a {
  color: var(--forest);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 120ms var(--ease);
}

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

.page-faq .crumbs__sep {
  margin: 0 8px;
  color: var(--gold);
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding: 26px 0 44px;
  border-bottom: var(--edge) solid var(--ink);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(56, 224, 204, 0.1) 0%, transparent 58%),
    linear-gradient(180deg, var(--cream) 0%, var(--sand) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-faq .eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--forest-2);
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
  max-width: 18ch;
}

.page-faq .faq-hero .lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .faq-hero__actions {
  margin-top: 22px;
}

.page-faq .faq-hero__panel {
  background: var(--forest);
  color: var(--cream);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-dark);
  padding: 22px 20px;
}

.page-faq .faq-hero__panel-title {
  font-family: var(--font-head);
  font-size: 20px;
  letter-spacing: 0.02em;
  margin: 0 0 16px;
  color: var(--gold);
}

.page-faq .faq-hero__steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-hero__steps li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.55;
  color: var(--cream);
}

.page-faq .faq-hero__num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  padding-top: 1px;
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  border-top: 1px solid var(--faq-hair);
  padding-top: 14px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-faq .faq-hero__meta b {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--gold);
  margin-right: 4px;
}

/* ---------- 主体 ---------- */

.page-faq .faq-body {
  padding: 36px 0 64px;
}

.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-faq .faq-track {
  border-top: 3px solid var(--gold);
  padding-top: 12px;
}

.page-faq .faq-track__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--forest-2);
  margin: 0 0 10px;
}

.page-faq .faq-track ul {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-track li {
  flex: 0 0 auto;
}

.page-faq .faq-track a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border: var(--edge) solid var(--ink);
  background: var(--cream);
  white-space: nowrap;
  transition: border-color 120ms var(--ease), background-color 120ms var(--ease);
}

.page-faq .faq-track a:hover,
.page-faq .faq-track a:focus-visible {
  border-color: var(--cyan);
  background: var(--faq-tint);
}

.page-faq .faq-track__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--forest);
  background: var(--gold);
  padding: 1px 5px;
}

/* ---------- 分组 ---------- */

.page-faq .faq-group {
  margin-bottom: 44px;
  scroll-margin-top: 86px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: var(--edge) solid var(--ink);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 15px;
  background: var(--forest);
  color: var(--gold);
  padding: 4px 9px;
  flex: 0 0 auto;
}

.page-faq .faq-group h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq .faq-group__lede {
  margin: 14px 0 18px;
  max-width: 62ch;
  line-height: 1.75;
}

.page-faq .faq-group__lede--after {
  margin-top: 20px;
}

.page-faq .faq-group__lede a {
  color: var(--forest);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  transition: border-color 120ms var(--ease);
}

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

/* ---------- 步骤 ---------- */

.page-faq .steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  background: var(--cream);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  line-height: 1.7;
  transition: transform 120ms var(--ease);
}

.page-faq .steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 15px;
  text-align: center;
  padding: 3px 0;
  background: var(--gold);
  border: var(--edge) solid var(--ink);
  color: var(--ink);
}

.page-faq .steps > li:hover {
  transform: translateX(4px);
}

/* ---------- 折叠问答 ---------- */

.page-faq .qa-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-faq .qa {
  border: var(--edge) solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .qa[open] {
  box-shadow: 4px 4px 0 var(--gold);
}

.page-faq .qa summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

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

.page-faq .qa summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--forest-2);
  flex: 0 0 auto;
}

.page-faq .qa[open] summary::after {
  content: "–";
  color: var(--orange);
}

.page-faq .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -4px;
}

.page-faq .qa__num {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--gold);
  border: var(--edge) solid var(--ink);
  padding: 2px 7px;
  flex: 0 0 auto;
}

.page-faq .qa__body {
  background: var(--sand);
  border-top: var(--edge) solid var(--ink);
  border-left: 6px solid var(--gold);
  padding: 14px 18px;
}

.page-faq .qa__body p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.75;
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 20px 0 22px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--sand);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--forest-2);
}

/* ---------- 联系 ---------- */

.page-faq .contact-box {
  margin-top: 18px;
  background: var(--forest);
  color: var(--cream);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-dark);
  padding: 22px 18px;
  display: grid;
  gap: 20px;
}

.page-faq .contact-box__title {
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: 0.02em;
  color: var(--gold);
  margin: 0 0 12px;
}

.page-faq .contact-box ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  line-height: 1.7;
  font-size: 15px;
  color: var(--cream);
}

.page-faq .contact-box__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 52ch;
}

.page-faq .contact-card {
  background: rgba(245, 239, 226, 0.06);
  border-left: 3px solid var(--cyan);
  padding: 14px 16px;
  display: grid;
  gap: 4px;
}

.page-faq .contact-card__label {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .contact-card__label:first-child {
  margin-top: 0;
}

.page-faq .contact-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--cream);
}

.page-faq .contact-card a {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  word-break: break-all;
  transition: color 120ms var(--ease);
}

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

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-faq .contact-box {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: start;
    padding: 24px 26px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    align-items: end;
    gap: 40px;
  }

  .page-faq .faq-body {
    padding: 48px 0 80px;
  }

  .page-faq .faq-shell {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }

  .page-faq .faq-track {
    position: sticky;
    top: 24px;
  }

  .page-faq .faq-track ul {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: 2px solid var(--mist);
    padding-bottom: 0;
  }

  .page-faq .faq-track a {
    width: 100%;
    border: 0;
    border-left: 3px solid transparent;
    margin-left: -2px;
    padding: 9px 10px 9px 14px;
    background: transparent;
  }

  .page-faq .faq-track a:hover,
  .page-faq .faq-track a:focus-visible {
    background: var(--faq-tint);
    border-left-color: var(--cyan);
  }

  .page-faq .faq-figure--narrow {
    max-width: 640px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition: none !important;
  }

  .page-faq .steps > li:hover {
    transform: none;
  }
}