.page-faq {
  --faq-soft: #33414D;
  position: relative;
  padding: 1.5rem 1.15rem 3.5rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  overflow-x: hidden;
}

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

.page-faq .breadcrumb {
  margin-bottom: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 1.75rem;
  align-items: start;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__title {
  margin: 0.6rem 0 0.9rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.85rem, 7vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .faq-hero__lead {
  max-width: 34em;
  margin: 0 0 1.25rem;
  font-size: 1rem;
  color: var(--faq-soft);
}

.page-faq .faq-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.page-faq .faq-hero__meta {
  margin: 1rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--stone);
}

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

.page-faq .faq-hero__visual .media-caption {
  padding: 0.65rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--navy-2);
  background: var(--white);
  border-top: 1px solid var(--line);
}

/* ---------- 编号索引 ---------- */
.page-faq .faq-index {
  margin: 1.75rem 0 0;
  padding: 1.1rem 1.15rem 1.25rem;
  background: var(--aqua);
  border-radius: var(--radius);
  border-left: 4px solid var(--navy);
}

.page-faq .faq-index__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--navy-2);
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(11, 34, 57, 0.16);
  border-radius: 999px;
  background: var(--white);
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .faq-index__link .mono {
  font-size: 0.72rem;
  color: var(--stone);
  transition: color 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.page-faq .faq-index__link:hover .mono,
.page-faq .faq-index__link:focus-visible .mono {
  color: var(--amber);
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-block {
  margin-top: 2.75rem;
  padding-top: 0.25rem;
  scroll-margin-top: 5rem;
}

.page-faq .faq-block__title {
  margin: 0.6rem 0 0.7rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--ink);
  text-wrap: balance;
}

.page-faq .faq-block__lead {
  max-width: 36em;
  margin: 0 0 1.25rem;
  font-size: 0.98rem;
  color: var(--faq-soft);
}

.page-faq .faq-block__link {
  margin: 1.25rem 0 0;
  font-size: 0.92rem;
}

/* ---------- 分步条目 ---------- */
.page-faq .steps {
  display: grid;
  gap: 0.85rem;
  margin: 1.4rem 0 1.75rem;
  padding: 0;
  list-style: none;
}

.page-faq .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 1.1rem 1.05rem;
  background: var(--white);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-faq .steps__num {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--amber-deep);
  line-height: 1.5;
}

.page-faq .steps__title {
  margin: 0 0 0.25rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--navy);
}

.page-faq .steps__body p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--faq-soft);
}

/* ---------- 三段路径 ---------- */
.page-faq .pathbar {
  display: grid;
  gap: 1rem;
  margin: 1.4rem 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-faq .pathbar__item {
  position: relative;
  padding: 1.05rem 1.1rem 1.15rem;
  background: var(--mist);
  border: 1px solid rgba(18, 58, 92, 0.12);
  border-radius: var(--radius);
}

.page-faq .pathbar__num {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.1rem 0.6rem;
  border-radius: 999px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-faq .pathbar__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--navy);
}

.page-faq .pathbar__item p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--faq-soft);
}

.page-faq .faq-device__figure {
  margin: 0 0 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--aqua);
}

.page-faq .faq-device__figure .media-caption {
  padding: 0.6rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--navy-2);
  background: var(--white);
  border-top: 1px solid var(--line);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .faq-item:first-of-type {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item__head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.9rem 0.2rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--navy);
}

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

.page-faq .faq-item__head::after {
  content: "+";
  margin-left: auto;
  padding-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--stone);
  transition: color 0.2s ease;
}

.page-faq .faq-item[open] > .faq-item__head::after {
  content: "−";
  color: var(--amber-deep);
}

.page-faq .faq-item__head .mono {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--stone);
  letter-spacing: 0.06em;
}

.page-faq .faq-item[open] > .faq-item__head {
  color: var(--navy-2);
}

.page-faq .faq-item__head:hover {
  color: var(--amber-deep);
}

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: var(--radius);
}

.page-faq .faq-item__body {
  padding: 0 0.2rem 1.05rem;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 36em;
  font-size: 0.92rem;
  color: var(--faq-soft);
}

/* ---------- 窄栏双联 ---------- */
.page-faq .faq-narrow {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.75rem;
}

.page-faq .faq-note {
  padding: 1.25rem 1.15rem 1.4rem;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--navy);
  border-radius: var(--radius);
  scroll-margin-top: 5rem;
}

.page-faq .faq-note__title {
  margin: 0.55rem 0 0.65rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-note > p {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--faq-soft);
}

.page-faq .faq-note__link {
  margin: 1rem 0 0;
  font-size: 0.88rem;
}

.page-faq .checklist {
  display: grid;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-faq .checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.65rem;
  padding: 0.7rem 0.8rem;
  background: var(--aqua);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--faq-soft);
}

.page-faq .checklist .mono {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1.9;
}

/* ---------- 联系 ---------- */
.page-faq .faq-contact {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.75rem;
  padding: 1.5rem 1.25rem 1.6rem;
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  border-radius: var(--radius);
  color: var(--aqua);
  scroll-margin-top: 5rem;
}

.page-faq .exhibit-label--on-dark {
  color: var(--aqua);
}

.page-faq .faq-contact__title {
  margin: 0.55rem 0 0.65rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.3rem, 4.6vw, 1.75rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: var(--white);
  text-wrap: balance;
}

.page-faq .faq-contact__lead {
  max-width: 34em;
  margin: 0 0 0.75rem;
  font-size: 0.92rem;
  color: var(--aqua);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  line-height: 1.8;
  color: rgba(214, 234, 240, 0.72);
}

.page-faq .faq-contact__list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact__list li {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line-light);
}

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

.page-faq .faq-contact__key {
  display: block;
  margin-bottom: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-faq .faq-contact__val {
  display: block;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__more {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-light);
  font-size: 0.88rem;
}

.page-faq .text-link--on-dark {
  color: var(--amber);
  text-decoration-color: rgba(230, 162, 60, 0.6);
}

.page-faq .text-link--on-dark:hover,
.page-faq .text-link--on-dark:focus-visible {
  color: var(--white);
  text-decoration-color: var(--white);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-faq {
    padding: 2.25rem 1.75rem 4.5rem;
  }

  .page-faq .faq-index {
    padding: 1.2rem 1.5rem 1.4rem;
  }

  .page-faq .faq-narrow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.75rem;
  }

  .page-faq .faq-contact {
    padding: 1.9rem 1.75rem 2rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-faq {
    padding: 3rem 2.5rem 5.5rem;
  }

  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 3rem;
    padding-bottom: 2.25rem;
  }

  .page-faq .faq-hero__visual {
    margin-top: 1.75rem;
  }

  .page-faq .faq-block {
    margin-top: 3.5rem;
  }

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

  .page-faq .steps__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.35rem;
  }

  .page-faq .steps__num {
    font-size: 1.05rem;
  }

  .page-faq .pathbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
  }

  .page-faq .pathbar__item:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2rem;
    right: -0.95rem;
    width: 0.5rem;
    height: 0.5rem;
    border-top: 2px solid var(--amber);
    border-right: 2px solid var(--amber);
    transform: rotate(45deg);
  }

  .page-faq .faq-contact {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 2.5rem;
    padding: 2.25rem 2.25rem 2.4rem;
  }

  .page-faq .faq-contact__list {
    align-content: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item__head::after,
  .page-faq .faq-index__link .mono {
    transition: none;
  }
}