.page-faq {
  --faq-gap: clamp(1rem, 2.6vw, 1.5rem);
  --faq-hair: 1px solid var(--line-soft);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-faq .container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--pad-edge);
}

.page-faq h1,
.page-faq h2,
.page-faq h3 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: -0.01em;
  margin: 0;
}

.page-faq p {
  margin: 0;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  padding-block: clamp(1.4rem, 3.6vw, 2.2rem) clamp(2rem, 5vw, 3.2rem);
  background:
    linear-gradient(180deg, rgba(183, 132, 59, 0.1), rgba(243, 235, 221, 0) 46%),
    var(--paper);
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .crumbs {
  margin-bottom: clamp(1.1rem, 2.4vw, 1.7rem);
  font-size: 0.875rem;
  color: var(--celadon-ink);
}

.page-faq .crumbs a {
  color: var(--celadon-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .crumbs a:hover {
  border-bottom-color: var(--copper);
}

.page-faq .crumb-sep {
  margin-inline: 0.5rem;
  color: var(--mist);
}

.page-faq .crumb-current {
  color: var(--ink);
  font-weight: 600;
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 0.85rem;
}

.page-faq h1 {
  font-size: clamp(1.8rem, 5.4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  max-width: 20em;
  margin-bottom: 1rem;
}

.page-faq .lede {
  max-width: 42em;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.86;
}

/* ---------- 三块热门快答 ---------- */

.page-faq .quick-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  margin-top: clamp(1.7rem, 4vw, 2.5rem);
}

.page-faq .quick-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.1rem, 2.4vw, 1.6rem);
  background: var(--paper-white);
  border: var(--faq-hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-plate);
}

.page-faq .quick-card--ink {
  background: var(--ink-navy);
  border-color: var(--line-on-dark);
  color: var(--paper-white);
}

.page-faq .quick-kicker {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--copper);
}

.page-faq .quick-card--ink .quick-kicker {
  color: var(--copper-light);
}

.page-faq .quick-q {
  font-size: clamp(1.0625rem, 2.1vw, 1.25rem);
  font-weight: 700;
  line-height: 1.45;
}

.page-faq .quick-card--ink .quick-q {
  color: var(--paper-white);
}

.page-faq .quick-a {
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.88;
}

.page-faq .quick-link {
  margin-top: auto;
  padding-top: 0.6rem;
  align-self: flex-start;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-faq .quick-link:hover,
.page-faq .quick-link:focus-visible {
  border-bottom-color: currentColor;
}

.page-faq .quick-card--ink .quick-link {
  color: var(--copper-light);
}

/* ---------- 通用区块 ---------- */

.page-faq .faq-block {
  padding-block: clamp(2rem, 5vw, 3.4rem);
}

.page-faq .faq-block--white {
  background: var(--paper-white);
  border-block: 1px solid var(--line-soft);
}

.page-faq .block-head {
  max-width: 62em;
  margin-bottom: clamp(1.4rem, 3.4vw, 2.2rem);
}

.page-faq .block-head--narrow {
  max-width: 44em;
}

.page-faq .block-head h2 {
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.8rem;
}

.page-faq .block-lede {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.84;
}

/* ---------- 配图 ---------- */

.page-faq .faq-shot {
  margin: 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--paper);
  overflow: hidden;
  box-shadow: var(--shadow-plate);
}

.page-faq .faq-shot--wide {
  max-width: 100%;
}

.page-faq .faq-shot--medium {
  max-width: 820px;
  margin: clamp(1.8rem, 4vw, 2.6rem) auto 0;
}

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

.page-faq .faq-shot figcaption {
  padding: 0.7rem 1rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--celadon-ink);
  background: var(--paper-white);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 四类问题目录 ---------- */

.page-faq .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

.page-faq .cat-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.1rem 1.1rem 1.15rem;
  background: var(--paper-white);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--copper);
  border-radius: 0 0 var(--radius) var(--radius);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-top-color 0.2s ease;
}

.page-faq .cat-card:hover,
.page-faq .cat-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-plate);
  border-top-color: var(--cinnabar);
}

.page-faq .cat-num {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-faq .cat-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-faq .cat-card p {
  font-size: 0.9063rem;
  line-height: 1.75;
  opacity: 0.84;
}

.page-faq .cat-go {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--celadon-ink);
}

/* ---------- 记录核对步骤条 ---------- */

.page-faq .steps {
  list-style: none;
  counter-reset: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-faq .step {
  position: relative;
  padding-left: 2.9rem;
}

.page-faq .step-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 1.9rem;
  height: 1.9rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--celadon);
  color: var(--paper-white);
  font-size: 0.8125rem;
  line-height: 1;
}

.page-faq .step::before {
  content: "";
  position: absolute;
  left: 0.95rem;
  top: 2.15rem;
  bottom: -1.5rem;
  width: 1px;
  background: linear-gradient(180deg, var(--copper), var(--copper-light));
}

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

.page-faq .step h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.4rem;
}

.page-faq .step p {
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.84;
}

/* ---------- 平板排障 ---------- */

.page-faq .faq-block--tablet {
  background:
    linear-gradient(180deg, rgba(47, 79, 74, 0.08), rgba(243, 235, 221, 0) 60%),
    var(--paper);
  border-block: 1px solid var(--line-soft);
}

.page-faq .block-head--split {
  max-width: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.page-faq .block-head--split .block-lede {
  border-left: 2px solid var(--copper-light);
  padding-left: 0.9rem;
}

.page-faq .fix-list {
  list-style: none;
  counter-reset: fix;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-faq .fix-list li {
  counter-increment: fix;
  position: relative;
  padding-left: 2.7rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .fix-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .fix-list li::before {
  content: counter(fix, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 1.8rem;
  height: 1.8rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--paper-white);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--copper);
}

.page-faq .fix-list h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.35rem;
}

.page-faq .fix-list p {
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.84;
}

.page-faq .inline-note {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1rem;
  background: var(--paper-white);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cinnabar);
  border-radius: var(--radius);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.page-faq .inline-note-tag {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
}

.page-faq .inline-note a {
  color: var(--cinnabar);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 联系前准备 ---------- */

.page-faq .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-faq .prep-list li {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
}

.page-faq .prep-tag {
  display: grid;
  place-items: center;
  height: 1.9rem;
  border: 1px solid var(--copper);
  color: var(--copper);
  border-radius: var(--radius);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
}

.page-faq .prep-list h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.3rem;
}

.page-faq .prep-list p {
  font-size: 0.9375rem;
  line-height: 1.8;
  opacity: 0.84;
}

.page-faq .contact-strip {
  margin-top: clamp(1.6rem, 3.6vw, 2.4rem);
  padding: clamp(1.1rem, 2.6vw, 1.6rem);
  background: var(--ink-navy);
  border-radius: var(--radius);
  color: var(--paper-white);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.page-faq .contact-strip-line {
  font-size: 1rem;
  line-height: 1.7;
  word-break: break-word;
}

.page-faq .contact-strip-line .mono {
  color: var(--copper-light);
  margin-right: 0.6rem;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
}

.page-faq .contact-strip-note {
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
  margin-top: 0.3rem;
}

.page-faq .strip-btn {
  align-self: flex-start;
  margin-top: 0.7rem;
  display: inline-block;
  padding: 0.6rem 1.2rem;
  background: var(--cinnabar);
  color: var(--paper-white);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius);
  border: 1px solid var(--cinnabar);
  transition: background-color 0.18s ease;
}

.page-faq .strip-btn:hover,
.page-faq .strip-btn:focus-visible {
  background: var(--cinnabar-deep);
}

/* ---------- 问答手风琴 ---------- */

.page-faq .faq-block--qa {
  background: var(--paper);
}

.page-faq .qa-group {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
}

.page-faq .qa-group-title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-size: 1.125rem;
  font-weight: 700;
  padding-bottom: 0.7rem;
  margin-bottom: 0.2rem;
  border-bottom: 2px solid var(--ink-navy);
}

.page-faq .qa-group-title .mono {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--copper);
}

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

.page-faq .qa summary {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) 1.1rem;
  align-items: start;
  gap: 0.55rem;
  padding: 0.95rem 0.2rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa summary:hover .qa-q {
  color: var(--cinnabar-deep);
}

.page-faq .qa-num {
  padding-top: 0.18rem;
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--copper);
}

.page-faq .qa-q {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  transition: color 0.16s ease;
}

.page-faq .qa-mark {
  position: relative;
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.32rem;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--celadon);
  transition: transform 0.18s ease;
}

.page-faq .qa-mark::before {
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

.page-faq .qa-mark::after {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa-mark::before {
  transform: translateX(-50%) scaleY(0);
}

.page-faq .qa[open] .qa-q {
  color: var(--ink-navy);
}

.page-faq .qa-body {
  padding: 0 0.2rem 1.1rem 2.65rem;
}

.page-faq .qa-body p {
  font-size: 0.9375rem;
  line-height: 1.85;
  opacity: 0.86;
}

.page-faq .qa-body p + p {
  margin-top: 0.6rem;
}

.page-faq .qa-link-row a {
  color: var(--cinnabar);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-faq .qa-footnote {
  margin-top: clamp(1.8rem, 4vw, 2.6rem);
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.9;
}

.page-faq .qa-footnote a {
  color: var(--cinnabar);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  margin-inline: 0.15rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 40em) {
  .page-faq .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .prep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-faq .block-head--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 1.6rem;
  }

  .page-faq .qa summary {
    grid-template-columns: 3rem minmax(0, 1fr) 1.2rem;
    padding-block: 1.05rem;
  }

  .page-faq .qa-body {
    padding-left: 3.55rem;
  }

  .page-faq .qa-q {
    font-size: 1.0625rem;
  }
}

@media (min-width: 52em) {
  .page-faq .quick-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr) minmax(0, 0.88fr);
    align-items: stretch;
  }
}

@media (min-width: 68em) {
  .page-faq .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-faq .step {
    padding: 3rem 1.7rem 0 0;
  }

  .page-faq .step-dot {
    position: absolute;
    top: 0;
    left: 0;
  }

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

  .page-faq .step::after {
    content: "";
    position: absolute;
    top: 0.95rem;
    left: 2.2rem;
    right: 0.6rem;
    height: 1px;
    background: linear-gradient(90deg, var(--copper), var(--copper-light));
  }

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

  .page-faq .contact-strip {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.2rem 2rem;
  }

  .page-faq .contact-strip-note {
    flex-basis: 100%;
    order: 3;
    margin-top: 0.2rem;
  }

  .page-faq .strip-btn {
    margin-top: 0;
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .cat-card,
  .page-faq .qa-q,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .strip-btn {
    transition: none;
  }

  .page-faq .cat-card:hover,
  .page-faq .cat-card:focus-visible {
    transform: none;
  }
}