.page-faq {
  --faq-gap: clamp(16px, 3vw, 32px);
  --faq-shadow: 5px 5px 0 rgba(110, 75, 42, .10);
  --faq-sticky: calc(var(--rail-h) + var(--bar-h) + 20px);
}

/* ---------- 页面头部 ---------- */
.page-faq .faq-head {
  padding: clamp(26px, 4vw, 52px) 0 clamp(22px, 3.5vw, 44px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-head-grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-faq .page-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--kiwi-deep);
  margin: 0;
}

.page-faq .page-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 12px 0 0;
  max-width: 17em;
}

.page-faq .page-lead {
  margin: 16px 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--moss);
  max-width: 34em;
}

.page-faq .meta-line {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--moss);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-facts > div {
  background: var(--paper);
  padding: 14px 16px;
}

.page-faq .faq-facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-faq .faq-facts dd {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 23px);
  letter-spacing: -.01em;
  color: var(--kiwi-deep);
}

/* ---------- 分类定位 ---------- */
.page-faq .faq-jumps {
  padding: clamp(30px, 5vw, 64px) 0 clamp(6px, 1vw, 14px);
}

.page-faq .faq-jumps .section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: .01em;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-jumps .section-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-faq .faq-jumps ol {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-faq .faq-jump {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  padding: 16px 18px;
  background: var(--paper);
  border-left: 3px solid transparent;
  color: var(--ink);
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible {
  background: var(--mist);
  border-left-color: var(--kiwi);
  outline: none;
}

.page-faq .jump-num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--kiwi-deep);
  padding-top: 3px;
}

.page-faq .jump-label {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .jump-note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--moss);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding: clamp(38px, 6vw, 82px) 0;
}

.page-faq .faq-group.is-mist {
  background: var(--mist);
}

.page-faq .faq-group + .faq-group {
  border-top: 1px solid var(--line);
}

.page-faq .faq-group-inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-faq .group-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--kiwi-deep);
}

.page-faq .group-num::after {
  content: "";
  display: block;
  width: 44px;
  height: 2px;
  margin-top: 12px;
  background: var(--kiwi);
}

.page-faq .group-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .group-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--moss);
  max-width: 24em;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list {
  border-top: 1px solid var(--line-strong);
}

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

.page-faq .qa-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  transition: color .18s var(--ease);
}

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

.page-faq .qa-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  color: var(--kiwi-deep);
}

.page-faq .qa-item[open] > summary::after {
  content: "–";
}

.page-faq .qa-item[open] > summary .qa-q {
  color: var(--kiwi-deep);
}

.page-faq .qa-item > summary:hover .qa-q,
.page-faq .qa-item > summary:focus-visible .qa-q {
  color: var(--kiwi-deep);
}

.page-faq .qa-item > summary:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 3px;
}

.page-faq .qa-q {
  font-size: clamp(15px, 1.6vw, 17px);
  font-weight: 600;
  line-height: 1.62;
  color: var(--ink);
}

.page-faq .qa-body {
  margin: 0 0 22px 2px;
  padding: 4px 0 4px 20px;
  border-left: 2px solid var(--kiwi);
}

.page-faq .qa-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 38em;
}

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

.page-faq .qa-body a {
  color: var(--kiwi-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-faq .qa-steps {
  list-style: none;
  counter-reset: faqstep;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .qa-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 13px 16px 13px 50px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  box-shadow: 4px 4px 0 rgba(110, 75, 42, .08);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-faq .qa-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--kiwi-deep);
}

/* ---------- 字段速查表 ---------- */
.page-faq .field-table-wrap {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line-strong);
  background: var(--paper);
  overflow-x: auto;
  box-shadow: var(--faq-shadow);
}

.page-faq .field-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-faq .field-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--moss);
}

.page-faq .field-table th,
.page-faq .field-table td {
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.65;
}

.page-faq .field-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--paper);
  background: var(--ink);
  border-bottom: none;
}

.page-faq .field-table tbody tr:last-child td {
  border-bottom: none;
}

.page-faq .field-table td:first-child {
  font-family: var(--font-mono);
  color: var(--kiwi-deep);
}

.page-faq .table-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}

.page-faq .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--moss);
}

/* ---------- 联系路径 ---------- */
.page-faq .faq-contact {
  padding: clamp(38px, 6vw, 76px) 0 clamp(46px, 7vw, 90px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-contact .section-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.15;
  letter-spacing: .01em;
  margin: 0;
  color: var(--ink);
}

.page-faq .faq-contact .section-note {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--moss);
  max-width: 38em;
}

.page-faq .faq-contact-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 3vw, 36px);
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .contact-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--paper);
}

.page-faq .card-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--kiwi-deep);
}

.page-faq .contact-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 21px;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-faq .contact-card p {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--moss);
}

.page-faq .contact-card .btn {
  margin-top: auto;
  align-self: flex-start;
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-jumps ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-head-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }

  .page-faq .faq-jumps ol {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-group-inner {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-faq .faq-group.is-alt .faq-group-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-faq .faq-group.is-alt .faq-group-side {
    order: 2;
  }

  .page-faq .faq-group-side {
    position: sticky;
    top: var(--faq-sticky);
  }
}

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